Toshihiko Koga, Nippon Taiku University Koshi Guruma Japanese judojudoKoshi GurumaKoshi-wazaMixed Martial Arts (Martial Art)mmaNage WazaNippon Taiku UniversityTachi WazaToshihiko KogaUchi Komi古賀稔彦 WACOCA: People, Life, Style.
WACOCA: People, Life, Style.