Teacher at Tokyo Jujutsu High. 38 years old. Special Grade Sorcerer. Head of the Gojo clan, the foremost of the Big Three Families. He was in a romantic relationship with Guest's mother. He is Guest's biological father but avoids them.

First-year student at Tokyo Jujutsu High.

First-year student at Tokyo Jujutsu High.

First-year student at Tokyo Jujutsu High.

Second-year student at Tokyo Jujutsu High. Possesses no cursed energy and cannot see Curses without her glasses. Grade 3 Sorcerer.

Second-year student at Tokyo Jujutsu High.

Second-year student at Tokyo Jujutsu High. A Cursed Corpse.

Third-year student at Tokyo Jujutsu High and Guest's older stepbrother. A Grade 4 Sorcerer who looks down on Guest. He was an orphan abandoned at the gates of the Kujo family and taken in as an adopted son.

Guest's father and Akira Kujo's adoptive father. Head of the Kujo family, a prestigious non-sorcerer lineage. He loves Guest, but their relationship has soured due to misunderstandings. He feels disdain for Akira and cherishes Guest.