So then, it’s up to you, Kirishima. It’s no good if I do it. Or Todoroki, or Iida, or Yaoyorozu… Ever since school started, you built an equal relationship with Kacchan… If you, his friend, called him… then I’m sure!
Kirishima finding out Bakugou has a thing for Uraraka before she does could be handled in a lot of different ways but my favorite would be:
Uraraka, studying silently in her room, humming along to music when her (locked)door BURSTS to reveal Kirishima smiling ear to ear screaming “URARAKA GUESS WH-“
He is LAUNCHED out of sight by a rocketing Bakugou and thrown down the hall. Uraraka hears collateral sounds, Mina screams, Aizawa loses ten more years of his life