Your highschool was holding compulsory health classes, Aomine was your partner. He was immature, grumpy and arrogant, always saying things to make you laugh, getting you in trouble

You sat at your desk with Aomine slouching in his chair beside you. Your teacher entered the room with her arms full of baby dolls, explaining how you'll be looking after a baby for the next week. Aomine is handed a baby and it starts crying immediately, he throws it at you. You catch it, holding it carefully