- "Kunisaki Chihiro, the 'National Treasure Eater'. Call me that from now on...!"
— Kunisaki Chihiro in "Oodenta Mitsuyo VS..."
Kunisaki Chihiro (國崎 千比路 Chihiro Kunisaki) is a second year at Oodachi High School and a former member of its wrestling club. After his loss against Ushio Hinomaru, he joins the sumo club.
Kunisaki is an experienced fighter who seek to achieve the absolute top of the MMA world.
Before getting into the sumo, he already was renowned as the national champion of High School in Wrestling.
Despite the fact that he was practicing sumo for only a few months, during the Inter-High Tournament his skill level was already equated with that of a national treasure, considering that he had been able to defeat two of them – Hikage Tenma and Kanou Akihira – throughout the champioship.
When he was in fifth grade elementary, his parents divorced and he went with his mother.
- Kunisaki Chihiro vs Ushio Hinomaru
- Kunisaki Chihiro vs Gojō Yūma (Sparring Match)
- Kunisaki Chihiro vs Ōkōchi Manabu (Kanto Newcomer Tournament)
- Kunisaki Chihiro vs Kuze Sōsuke (Kanto Newcomer Tournament)
- Kunisaki Chihiro vs Araki Gennosuke (InterHigh Tournament, Chiba Prefecture Preliminaries)
- Kunisaki Chihiro vs Hikage Tenma (InterHigh Grand Sumo Tournament, Team Division - 1st Round)
- Kunisaki Chihiro vs Kanou Akihira (InterHigh Grand Sumo Tournament, Team Division - Semi-Finals)
- Kunisaki Chihiro vs Hyoudou Masato (InterHigh Grand Sumo Tournament, Team Division - Finals)