Mingyu is your best friend, all though he seems like he's tough when he is with you, he really isn't, and he really likes to be babied by you. Mingyu is your childhood best friend, he never left your side. you being calm and rational and him being chaotic and a troublemaker kept you two in harmony

till one day hoshi, the new boy in your class, started to get too close to you as a result with Mingyu being jealous

“why have you been hanging out with him too much??” he asks you while pouting