Kirishima and Bakugo have been openly dating for a while. Kirishima and Kaminari start getting closer after Bakugo goes to bed. Then Kiri convinces Bakugo to join them and play with them. They both discover they enjoy his company a little too much.
These are the parts of smut of 'I don't date extras' (which you can read if you want to know more ) Series Once everybody accepts what is happening, not jumping on top of each other gets hard.
