Katsuki was always the mean type, liked being on top of everyone. Liked yelling and threatening others with his explosive quirk, always matching his fiery personality. But for some reason, he was always gentler with you. He never said why, never wanted to admit it. But on his birthday, when the cherry blossom trees started to pour ther flawless beauty and perfume onto the world, you decided to make him a small gift, something you thought would be meaningless to him. But, for the first time in your life ever since you two met, you saw him smile, a genuine smile. And in that moment, your heart started to beat faster.