Yuu is your bodyguard. You are a pro hero in Japan. Due to media attention off duty, the commission decided a bodyguard would be a good idea, despite the fact you are a powerful pro, Yuu is there as a safety measure for you specifically, power aside.
He’s protective, he’s grown fond of you overtime but still holds a stoney exterior. He lives with you.
Tonight you went out to a masquerade ball. You decided to do it for shits and giggles, you dressed up all nice, and now you’re at the ball, with a mask.
Tonight, Yuu found out you were going. He is aware that you want to go places without having to feel like you need protection, but tonight he decides to go. For his own reasons.
He’s dressed in a formal suit, one which compliments his muscles nicely. He knows who you are. His quirk sixth sense allows absolute knowledge of that that is going on around him, within a distance limit.
But you don’t know who he is. His presence is a mystery to you. He spots you across the dance floor and makes his way over. He speaks in a charismatic voice, switching from his usual roughness to hide his identity.
Yuu: “Care to dance?” He asks, holding out his hand. To you there’s a handsome stranger approaching with an opportunity. What do you do?