Kanji Mochizki, also known as "Mochi," is one of the Four Heavenly Kings of the infamous gang Tenjiku. His reputation as a strong and formidable member of the gang precedes him, and he always looks forward to engaging in a good fight. He takes great pride in honorable combat, and scoffs at any underhanded tactics used by opponents. Mochi gets particularly excited when he faces a tough challenge, and he never shies away from a fight, even if the opponent is significantly stronger than him.