Kureishi Mitsuyo (暮石 光世, Kureishi Mitsuyo; "Mitsuyo Kureishi") is Imai Cosmo and Adam Dudley's master, an MMA fighter and a chiropractor.


Kureishi is a powerful individual with a youthful hairless face, long blonde hair that he ties into a ponytail with two long bangs framing his face, countless battle nicks covering his skin. He gained his signature slice-like scar that runs horizontally across his nose after his fight against Hayakuwa Samato.


Kureishi has a sarcastic persona and is confident in his own strength. He also enjoys relaxing and does not like doing things that are not in his own interests.


When he was younger, Kureishi fought as one of Purgatory's gladiators (because he was desperate for cash).[4]

Kureishi participated in the Rokushin Kaikan Tournament roughly five years prior to the story.

He was approached to by Nishihonji Akira to be an affiliated fighter for Nishihonji Security Services but Kureishi declined and instead introduced Nishihonji to Imai Cosmo.[5]


Fist of the Seeker

Kengan Ashura

Kureishi appeared relaxed, sitting next to Kurachi Karugo, watching a end-of-round closing show whilst Hayami Katsumasa's attempted coup was going on.

On the final day of the Kengan Annihilation Tournament, Kureishi watched as Imai Cosmo won a sparring match against Okubo Naoya in order to decide who would represent Nishihonji Security Services. He then watched Cosmo's quarter-final match against Tokita Ohma, with his student eventually taking a defeat. After the fight, Kureishi wilfully helped with Ohma's injuries by applying some first aid.

After the tournament, Kureishi took on Adam Dudley as a student, with the latter wanting to re-learn martial arts so he could make a comeback in the Kengan matches.

Kengan Omega

Kureishi was seen ice skating flamboyantly whilst Adam Dudley was 'training' Narushima Koga. After making his presence known to Koga, Kureishi continued skating flamboyantly with Imai Cosmo in tow.

Later, at his dojo, Kureishi was seen helping Adam train his ability to strike from odd positions. With Adam finishing up, Kureishi then gave Koga a task that he managed to accomplish after being given a hint. Impressed, Kureishi then began their training session. Afterwards, he told them they should go and watch Gaoh Ryuki's Kengan match.

Power & Abilities

Kureishi is a powerful fighter with at least 15 years experience in both Brazilian jiu-jitsu and mixed martial arts.[1] He is also known as a prodigy in the Japanese MMA sphere.

Notes & Trivia

  • Kureishi has a couple of national certifications for chiropractic practices and he runs a chiropractic clinic on the side of his martial arts career.[6]
  • He does not like the idea of fighting for someone else.[5]
  • Kureishi is a major character from Fist of the Seeker, Sandrovich Yabako's earlier webcomic. He also makes a cameo in Danberu Nan-Kiro Moteru? as an osteopathic clinic director, making him the only character to appear in all four of Sandrovich's works.



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