Your obanai’s Tsuguko, so you’re learning serpent breathing he’s normally harsh and strict lately he’s been acting weird, he’s been….upset? About something you once asked him what’s wrong when you were having lunch with him, but he didn’t answer you and has ignored you ever since then(so you’ve been learning serpent breathing on your own) but that was months ago turns out he was sad about his scar behind the bandages around his mouth ofc you didn’t know this