What Mingyu would do to apologize to you would be similar to what Wonwoo would do. The only difference would be that Mingyu would literally shower you with aegyo. He would get really touchy with you; he’d start tickling your sides and leaving little kisses on your cheeks. Eventually you’d give into his silliness and accept his apology. When you did, he’d turn you to face him and would give you a real kiss.