Prolog

It was the worst day ever.

The other knights were killed without being able to put up a fight.

Arcdemon who slaughtered them kept repeating the same question.

"Do you wish for power?"

Yes / No. There is no other answer than that.

For a Zero Star Aditya like Ryo, it was a very lucrative offer. But the next question comes.

"Do you wish to lose a soul to gain it?"

Yes / No. There is no other answer than that.

For a Zero Star Aditya like Ryo, that was a terrible offer. Of course, because the offer came from The Devil.

"Why?"

"Because all I want is to save souls, not lose it."

But that answers drag Rio to the first question.

"Do you wish for power?"

For a Zero Star Aditya like Ryo, that is an absurd offer. Of course, because the pay is someone's else life.

"Why?"

"Because all I want is to save souls, not power."

"If you have no power, you can't save lives. Do you wish for power? "