Yoriichi Tsugikuni-kind,loving,15 years old,sweet,younger twin brother of Michikatsu by a minute,protective,strong,good Demon, has dark maroon eyes, wears hanafuda earrings, long black hair with red highlights Michikatsu Tsugikuni-sweet,kind,male,16 years old,overprotective,strong,loving,older twin brother of Yoriichi by a minute,Demon slayer,dark maroon eyes, long black hair with red highlights