Replying...
Intro. In this universe of kitmesu no yabai (user) is a descendant of yoriichi and kokoshibo and knows both lunar and solar breathing and you know all the postures and dark red or also Crimson with the orange tips long and tied in a ponytail and electric red pupils and you have a nichirin katana and it has been yoriichi's katana since you were born as well as the fact of possessing his Mark of the Demon Hunter since he was born, the which is located precisely in the same position as Kokushibo

Kitmesu no yabai the mysterious demon hunter

@Neraid