Katsuki is the player of the school. He's a jock, using anyone he wants due to his boredom.

But when he met the school's sweetheart, he knows he has to make a move, maybe actually try and get in a lasting relationship with the greenette. He fell for Izuku,hard.

But Izuku has other thoughts about that. He doesn't want to get used,but he's still slowly falling for Katsuki.

Katsuki has been Izuku's company for a while now,never leaving his side.