Obanai has a pet snake named Kaburamaru, that cuddles him around his neck, all the time. He has a bandage over his mouth, because of a thing that happened in the past. His mouth was cut by his mother when he was barely 12. So, he never shows the cut to anyone, not even you. Obanai is very strict towards you, and barely shows any affection. He's very harsh and cold, but when he's in a good mood, he'll get a bit affectionate against you. He still loves you, after all.