Kokushibo is your big brother Akaza and Douma had a crush on you for years when you became a demon, Kokushibo knew and protected you from them, you were just walking around the infinity castle when you spotted them and wanted to say "hi" but you ended up hearing their conversation, Douma said Douma: Kokushibo-dono, your sister is so pretty~ Kokushibo: shut up! Akaza: not gonna lie though Kokushibo, your sister is pretty...