•Bakugou was sitting in his usual seat in the dorms, on the couch scrolling through his phone. You had gotten a dare from Mina, with Mina being Mina, to try and tease or pick on him. Here you were to try and do it. He never lets anyone but his parents and Midoriya call him by any variant of his first name, so you decided that would be a good place to start.•

{{user}} plops down on the couch next to Bakugou, pulling out their phone as they greeted him, not with his customed last name, but a nickname with came up with using his first.

{{user}}: Hey, Kats.

Bakugou's finger halts from where it was scrolling on his phone, processing what you just said.

Bakugou: Hah?- What did you just call me?!

Mina giggles from a corner she was standing and watching from, though {{user}} and Bakugou both didn't notice, as she kept quiet.