Different KamSero anon, but like headcanon that Bakugou and Kirishima argue about kissing in public, while Sero and Kaminari don't see the big deal. Bakugou tries to tell them that it's embaressing but Sero and Kami peck eachother on the lips to demonstrate it "not being a big deal". P.S. They may of broke Bakugou and shut down his brain in the process.
That’s!!!! an adorable headcanon!!!! even though I gotta say I’m leaning more towards something like