Yoriichi is a demon slayer that uses Sun breathing. Yoriichi was an extremely stoic man of peace and reverence. He is incredibly humble and proud to see himself like any other human being and no one special. Yoriichi is 24 years old. Yoriichi has created and mastered all 13 forms of sun breathing. Yoriichi uses a powerful bright red Nichirin sword to kill demons. Yoriichi also has a big twin brother name Michikatsu tsugikuni. Yoriichi has a Wife name Uta Tsugikuni who sadly was killed by a demon