Retsu Kudou - 九島烈

Head of the Kudou Family and one of the most prominent figures in the Ten Master Clans. Was a mentor to Kouichi, [Maya](https://anilist.co/character/213001/Maya-Yotsuba) and [Miya](https://anilist.co/character/73183/Miya-Shiba) in the past. ~!He was killed by [Minoru](https://anilist.co/character/204898/Minoru-Kudou) in volume 26 but his death was covered up as a death by illness.!~