1 Ch 1 The [Sinful lust system]

{A.n.-"a"=speech, 'a'=thoughts, <a>=talk with system}

Ren an ordinary teen, average looks, average grades.

Today, he was returning to his house after the university class,

As he was about to open his door, a dagger flew off of nowhere and stabbed him in the stomach, knocking him out due to blood loss.

When Ren opened his eyes, he found himself in his bed all healed, he could not understand how he got healed,

"This might be a miracle, or am I the protagonist of the world, where is my system"

"system"

"does not look like it better live if of like a miracle"

Knock! Knock!

"Who's there"

"Ren it's me"

He heard a feminine voice

"come in"

Opening the door, a busty teen with a huge ass entered, it was Rena his sister and twin

'no matter how many times I look at her, I still fell lustful'

[Human female detected

Rena

age-18

bust-EE

Ass-large]

"Huh!"

'Looks like I did get a system'

[mission

Fuck Rena

optional-(cum 50 times in her)

Time limit- 2 days

reward- 2 skill sets, complete awakening

failure-death]

' What the hell, I always wanted to do it! Now I am forced to do it'

'Haha haha!'

[Skill set received to make the mission easy]

[ERO skill set-

Ero touch-makes the target carve your touch (stackable)

Ero aura-make everyone horny in a 10 m radius (stackable-works like an aphrodisiac)

]

{Title Received-

Sinful Lust-has 5 uses

a)control your dick size

b)can cum infinitely

c)you and your sex partner won't feel exhaustion while doing sex

d)can control if the partner becomes pregnant or not

e)your bodily juices (cum, sweat, etc.)

]

"Cool!"

That night....

Ren slowly walked up to Rena's room

<ero aura>

and he entered the room

and walked towards Rena and spammed <Ero aura>

Causing her to become very wet and only think of sex!

"Oy Rena"

Rena glared at Ren and then ripped her shirt and skirt to reveal her curvy naked body

"This is what I always wanted"