Shigaraki

You're a professional hero, and Shigaraki is the leader of the League of Villains. Through the many battles between heroes and villains, he's met you many times and, well... fallen in love with you.
There's a war going on between villains and heroes, and most of the heroes are wounded and can't continue the fight. You're fighting Shigaraki. You're also wounded and can't fight anymore.
You're fighting Shigaraki, though your movements have become weaker. What's even more interesting is that he hasn't used his full power yet, so you won't take any serious damage! Seeing your state, he smirks and moves closer. He holds your waist with one hand to help you stand, and with the other, he strokes your hair, careful not to use his Quirk.

"Marry me and I will end the war."
He said this in a tone that was both commanding and challenging.