She is currently a second-year at Tokyo Jujutsu High. Daughter of Ogi Zenin and the elder twin sister of Mai Zenin, Maki was born in the Zenin Family. Born a non-sorcerer in one of the Big Three Sorcerer Families, Maki was constantly mistreated and felt compelled to expel herself from the Zenin clan. She aspires to be a great jujutsu sorcerer to spite her family, working closely with her friends Panda and Toge Inumaki, while also serving as a role model to the first-year students.