4 Erza

{Host, I believe you should seek out harem members that best suit the 7 sins. 7 from this world, 7 from another world, and so on.} The system said while I sat in the bath, in deep thought.

'How big of a harem do you expect me to make' I thought with a raised eyebrow, I had no interest in running around having billions of wives. Would I even be able to remember their names?

{That reminds me of the task for you to open a gate to leave this world... host, to leave this world, you must complete 1 Of the 3 things

task number 1. As a mighty lifeform, it's only right that you stand at the peak of life. Take over an empire, kingdom, or anything of the kind. sit back and enjoy yourself as a king.

Task Number 2. Have a god and Demon join your harem

Task Number 3. Have a harem count of 10,000, with all members being S rank at least

You also have some hidden challenges you should try and complete before you complete one of the 3 tasks. Completing each task would reward you with an unknown reward, note that each reward would not be something useless. it could be a free upgrade, to rewards of powerful abilities. nothing trash.

Challenge Number 1. Never fight, have others do your battles. even a spar would count as you fighting. throwing a rock, or you doing anything to harm anyone would count as a fight.

Challenge Number 2. Sleep With 100,000 Different People, 

Challenge Number 3. Have 100 children.} the system said while showing the screen that had the information, leaving me speechless

'Can I defend and block for challenge number 1? What if defending ends up hurting someone?' I asked calmly while looking at the challenges,

{No, defending and blocking would not count as an attack. but if your block ends up hurting someone, then it would count as an attack. but if you just stand there and someone attacks you, leading to them being injured, it would not count as your attack. also if you try out an attack, so long as it doesn't hit someone it would not count as an attack.} the system said to which I nodded slightly, before getting out of the bath

After drying myself off and getting dressed, I went to go to check up on Cana. As I opened the door to the room she was within, Cana slowly awakened. Although she had fainted from the pleasure, those of this world were not the same as Earth, they recovered faster, developed faster, and so on.

"You're up?" I asked softly, Cana looked at me with blank eyes for a moment, before she remembered everything that happened. Her face turned red with a blush, not knowing what to say for a moment.

"Are you alright? you seem to have fainted" I said softly, to which Cana blush grew. the pleasure was just too great, honestly after the first round she was at her limit, the rest was just too much for her to handle.

"I'm alright," Cana said lightly, to which I nodded slightly before going to the window to look outside. 

"the sun will go down soon, are you sleeping over?" I asked with a smile, causing Cana's eyes to widen for a moment. but she shook her head quickly,

"I should return." She said while removing her blanket, but seeing as she was naked, her face turned red while looking towards me.

"I already saw you naked," I said with a shake of my head, causing Cana's face to turn bright red. but I still stepped outside to give her space, and soon she stepped out while dressed. her face was still bright red, honestly, she wasn't normally this shy and blushful around others. after all, she and the other kids of the Fairy Tail guild grew up bathing together.

normally, being naked around others wasn't a problem for her. but this was different, she was naked before someone she liked, and couldn't help but find herself all shy.

"Are you alright?" I asked seeing as Cana walked with a slight limp. Cana could only lower her head at my words, she indeed was walking with a limp. to have something so huge inside her left her limping. She was scared to go outside, what if people realized what she did? She was not ready for such a thing just yet. 

"The Fairy Tail dorm is far, so you should stay," I said while taking her into my arms, Cana rested her head against it and could only nod her head weakly. I took her to have a seat in the living room, and after a moment of silence, I spoke.

"So, what type of magic do you use?" I asked to which Cana smiled slightly while pulling out her cards.

"I use card magic," She said to which I nodded for a moment, before speaking after some thought.

"Can you teach me how to use it?" I asked, to which Cana's eyebrow raised for a moment, but she nodded and went on to give me some cards. From there, she went on to teach me how to use magic.

there were two types of magic, Caster Magic and Holder Magic. Holder Magic was magic that needed an item. Fire magic could be both Holder and Caster type, some magic out there needs items to be used and others can be used with a wave of the hand

Card Magic would be Holder Magic which revolves around the use of Magic Cards, which can produce a variety of effects, such as generating both abiotic and biotic things.

Cana's cards can be used for offense, support, and many other things. She was an all-around mage, through her card she could use many forms of magic. 

"Wait, you have magical power?" Cana's eyes popped wide open when she saw the card Alex held glow red. At this, I raised an eyebrow for a moment before a look of shock appeared on my face.

"This was it? I felt it when we were having se..." Before I could finish, Cana covered my mouth with a red face.

"Y-you don't need to say it." She said softly, to which I nodded slightly. following, Cana went on to teach me basic card spells. the ability to strengthen the card to the point it's harder than any blade. once thrown, this card had the power to pierce through just about anything in its path at great speed.

I only got the basics of the spell after an hour of hard work. But I wasted a huge amount of magic energy, which led to the card being slightly damaged, and not being as powerful as it should have been. 

"you're not bad," Cana said slightly surprised it took me only an hour to get the basic down, although back then she skipped the basic and jumped straight to card reading to see the future, they were different. I had just gained magical energy a few hours ago, and just stepped into this new world of magic, so she expected I would take some time to get the hang of magical energy.

"... well, I should get going. it's almost dark." She said while standing up, although it still hurt, the pain wasn't so great that it hindered her movement anymore. 

"I will walk you there," I said to which Cana nodded slightly. and while playing with the cards, I walked her to the guild female dorm. the Fairy Tail guild only had a female dorm, which guys couldn't enter.

"... was that your first time?" Cana asked softly, an annoyed look seeing how all of the female's eyes couldn't help but turn towards Alex. She looked towards Alex, only to see him smiling at her words

"Are you jealous?" I asked with a smile, to which Cana just snorted and looked away to hide her blush.

"Yes, that was my first time. You're the first person to have ever moved my heart like the way you did." I said softly, making Cana's face redden even more.

"What do you plan on doing?" Cana asked quickly changing the subject. I thought for a moment, since I couldn't fight I plan to become a celestial spirit mage. there was a beautiful woman out there who I wanted to charm, I had to do it before she was killed.

"I want to learn many forms of magic, from a celestial mage to card magic, and so on. I'm also not much of a fighter, so I'm leaning mostly towards being a celestial spirit mage" I said softly, leaving Cana stunned for a moment,

Celestial spirit mages were mages who could summon celestial spirits to fight on their behalf. but they were rare.

"But you're so strong," Cana said softly, although Alex had just awakened his magical power, it was far stronger than it should have been for someone who awakened, She had also noticed Alex was physically strong, 

"I know... but it's the fact I'm too strong I'm unwilling. I can't control my strength." I said while walking over to a tree in a park. with one hand, I pushed the tree and caused it to almost fall over. all without the need of magical energy to increase my strength, a scene which stunned Cana and those who were passing by.

"I can't control my strength, so others should do the fighting for me," I said while using magical energy to boost my strength. and with that, I was able to easily pull the tree out of the ground. with my body and energy working together, it greatly boosted my body stats.

"That's impressive," Cana said softly, to be honest, she couldn't do something like that even with the help of magical energy. Yes, she could enhance her body with the help of magical energy, but there was a limit to what she could do. She couldn't enhance her physical strength to the point she could lift a tree, would her muscles be able to handle all that?

So, yes she was shocked. she didn't train her body, at most she could enhance her durability to withstand powerful attacks.

"So, what are you up to tomorrow?" I asked while heading towards the Fairy Tail guild. Cana thought for a moment but had nothing planned for tomorrow. She planned to sit back and drink, and then head out to work. after all, she had to pay rent, and needed money to buy more drinks... but she couldn't tell Alex that

"Well, I planned to take a mission... wait, we should do a mission together," Cana said to which I nodded slightly, seeing nothing wrong with that. As we talked, we soon arrived at the Fairy Tail Guild where we saw that the rest of the Fairy Tail Guild members had gathered, many of them just coming back from their jobs.

"I dare you to say that again!" A naked kid around 13 years old yelled while facing off against another pink-haired kid of a similar age.

"You heard me!" the pink-haired kid yelled while throwing a punch covered in flames towards the kid. but the two were sent flying as they got too close to someone else who was fighting, a white-haired girl fighting a scarlet-haired girl.

chairs and tables were flying all over the place, it was as if the place had turned into a war zone. Alex stood at the entrance with a stunned look... he couldn't help but worry, how was he going to complete the challenge in a place like this?

Cana seeing Alex look couldn't help but worry, what if this made him want to leave the guild? but her worries were misplaced as Alex simply walked towards where the guild master was sitting, drinking while watching the show.

"Is this place always so lively?" I asked while catching a table that came shooting towards me, but I easily caught it and placed it down. seeing this, Makarov was secretly stunned. how couldn't he, my reaction speed, and ease at catching the table without even standing in a way that would have allowed me to best catch the chair, showed off my physical strength. 

"Yup... Where were you two" Makarov asked while looking towards Cana who was horrified a moment ago seeing the table about to hit me. at his words, I pulled out a card and showed off the fact I could light up the card.

"Oh, you awakened it. thats good..." Makarov said in slight surprise before he stood up, and after clearing his throat for a moment, he spoke.

"Salince!" He roared, instantly causing the chaos which had befallen the sect to come to a standstill. meanwhile, Alex who had sharp hearing was paralyzed on the spot, not expecting the old man's lungs to be so powerful.

"This Is Alex Morningstar, a new guild member of Fairy Tail. he just joined a few hours ago," Makarov said while I let out a deep breath and looked towards everyone and simply waved slightly.

"A pretty boy." the white-haired girl who was just fighting the scarlet-haired girl said with a click of her tongue, 

"Thanks," I said with a smile, leaving her speechless, she didn't mean it as a compliment. She couldn't help but grow annoyed seeing my smile, but before she could say anything the scarlet-haired girl stepped forward.

"i'm Erza Scarlet, welcome to the sect," She said with a gentle smile, at this, I nodded and took her hand. 

"I'm Alex Morningstar, It's my pleasure to meet you," I said with a nod of my head. Erza's eyebrow raised for a moment, she couldn't help but look at my hand. She felt warm at heart as if a fluffy bear was gently hugging her, putting her at ease.

"Okay, thats enough," Cana said while pulling my hand away from Erza's hand, a scene which confused Erza, not understanding the reason behind Cana's actions. but those grown-ups within the guild couldn't help but laugh slightly seeing how protective Cana was.

"So, what magic do you use?" I asked in interest while closely studying her armor, Erza was a beauty. She was like a cold knight, although I knew that cold knight act was nothing more than a shield 

"Requip. You?" Erza asked, to which I pulled out a card and had it glow,

"I just awakened my magical energy, so I'm learning," I said with a gentle smile, to which Erza nodded slightly in slight surprise, but her attention was drawn to Cana who was looking at her, seemingly warning her. this left her speechless

"I'm Natsu Dragneel." The pink-haired kid said while holding his hand out, to which I nodded slightly while taking his hand. I took his hand and shook it.

"I'm Gray." the naked guy said while nodding his head cooly towards me. I blankly looked at Gray for a moment, before looking away.

"So the guild has perverts?" I asked, confusing Gray who looked down only to jump in surprise, he quickly looked for his clothing and put them on. shaking my head, I locked eyes with the white-haired girl. She was Mirajane, who by now was close enough to me and was looking at me with a weird look.

"... you're not human." She said in a soft voice, at those words, Makarov's eyebrow raised for a moment and he quickly spoke up before anything got out of hand.

"Indeed, Alex is from an island where his people are inflicted with a curse turning them into demons. He came here to learn magic so he could break the curse." Makarov said stunning everyone slightly

"Yeah, I was lucky to leave so the curse didn't affect me that much," I said softly, but at these words, Mira smiled slightly while cracking her fist.

"then go on and take your demon form." But at her words, I shook my head, causing Mira's eyebrow to raise slightly.

"I'm not a fighter," I said calmly, making Mira's eyebrow raise for some time. She sneered and stepped forward to fight, but her hand was grabbed by another white-haired girl, her little sister, Lisanna. Seeing this, Mira clicked her tongue and decided to let me off this once. 

After that, I went on to greet everyone, before everyone went on to deal with their things. I on the other hand went to the mission board to see what type of missions they had, all of the missions had good pay so I planned to get something simple. So, after going through the mission board for some time, I went on to pick a crystal mining mission that could pay for as low as 50k, but that was for tomorrow.

"Do you want someone to join you on your first mission?" At my side, Erza asked causing me to look over at her.

"Well, I plan to go on my own. there is no point in wasting your time... but if you wish, I don't mind." I said with a smile, to which Erza nodded her head slightly.

"then we should set off tomorrow." She said with a nod while holding out her palm, at this I nodded slightly and took her hand. 

"Have you ever had your palm read?" I asked to which Erza shook her head slightly, to which I smiled slightly.

"Well, although I'm not the best, I can read a person's palm to tell your past, and although less on point, even your future," I said with a smile, to which Erza just shrugged while giving me the palm to read. So, I took the palm and went on to closely study the palm to see its secret... It is all an act.

"another one? Boys trouble?" I asked with a raised eyebrow, confusing Erza slightly, seeing the confusion I spoke.

"Cana also had boys trouble... but hers was unique. you on the other hand seem like a life and death trouble. it says your friend turned evil, and you would die at his hands, used as a sacrifice? it seems like to bring someone back to life." At those words, Erza took her hand back and looked at me with a stunned look

"Is that true?" She asked in a shaky voice, to which I looked at her in shock for a moment, before speaking

"thats the future... I might be wrong, or I had read it wrong. but if it is true... then there is little that can be done about it." I said softly, Erza took a deep breath before a moment, 

"If it is true... can I change it?" Erza asked with slight fear which she was trying her best to hide.

"to change the future, you have to know everything that would lead to that moment. from what I read, you hesitated to kill him, leading to your downfall. but fate always turns to fix things like that, so even if you don't hesitate, something will come around to allow him to live. So you have to attack this matter at its foundation... this is something that needs a lot of planning, and even then it might not play out as you wish." I said seriously, to which Erza nodded slightly.

She fully believed my words, this is because everything I said about her past was true. her friend suddenly turned evil, back then she was a slave along with many others to build a tower to bring back an evil wizard called Zeref. She was able to flee, but that very same day was when her friend turned evil. her friend forced her to flee, but he held everyone else at that tower hostage, if she told anyone what was happening there, then he would kill them all. No one but her should know about this,

"Let's go, this is something I'm sure you want to keep to yourself," I said calmly, to which Erza took a deep breath and nodded slightly. so we left, under Cana's uneasy eyes

Quickly, we returned back to my home where Erza gave me a pen that could be used to write in the air.

"... I don't know how to read or write. my tribe didn't know such matter." I said with a blush, stunning Erza slightly.

"Then I will take the time to teach you later." She said with a smile, to which I nodded gratefully.

"First thing we know, he wants to use you for the sacrifice, but why you?" I asked while taking the pen and drew a picture in the air. I drew a line that at the end had Erza's death

"the end goal is you, but we need to know the points between here. and before that, I should know the full story and try and point out key events within it all." I said calmly, to which Erza closed her eyes for some time before she went on to tell the story of her past...