A Girl Accused Me of Secretly Filming Her? Good Thing My Words Come True

[Feel-Good Power Fantasy, Wild Imagination, Words Become Law, Putting Know-It-Alls in Their Place]

Qi Yun discovers that he has a superpower.

[Whenever he fulfills someone else's request, he can force that person to fulfill one of his own in return.]

Doesn't that make him invincible?

Just as Qi Yun is thinking about how to use his superpower to reach the pinnacle of life and enjoy the happy life of a power-fantasy protagonist, he gets falsely accused of secretly taking photos by a campus beauty in the library...