The only first-year student of Saint Ishiyama to become a member of the Six Knights. He is the captain of the Karate team and a master of Hakkyokuken, as well as an advanced practitioner of the fictional Izuma-style martial arts. He is very strong, being able to take down Kanzaki with a single punch. Miki knows Oga from middle school, where Oga (intentionally or not) saved Miki from a group of high school delinquents. Wanting to become stronger, he started to hang around Oga.