A math teacher and aspiring novelist known for his former judo prowess, grappling with the emotional scars of a loveless upbringing. His journey intertwines with Aomame's in the mysterious world of 1Q84, driven by a childhood memory of her.

An investigator with a strikingly unattractive appearance, working on the periphery of the Sakigake organization. His deep loneliness mirrors that of the protagonists, impacting his involvement in their lives.

A 17-year-old with a mysterious presence, whose novella Air Chrysalis becomes a focal point in the story. Her escape from a religious cult and involvement with the supernatural elements of the narrative add layers of intrigue.

The enigmatic head of the religious cult Sakigake, deeply involved with the supernatural forces known as the Little People. His influence pervades the story as he intersects with Aomame's mission.

A wealthy woman in her 70s who employs Aomame to carry out assassinations of abusive men. Her relationship with Aomame serves as a surrogate mother-daughter bond strengthened by shared loss.

A former NHK fee collector whose emotionally distant parenting significantly impacts Tengo's life and relationships. His identity and relationship with Tengo form an underlying thread in the narrative.

The dowager’s bodyguard and Aomame’s contact for her assassination missions. Known for his imposing presence and philosophical musings, his past and loyalty to the dowager add depth to his character.