Nanami Arihara

Nanami Arihara is a major heroine in the visual novel Riddle Joker and the protagonist Satoru Arihara's adoptive younger sister. She works with Satoru as an undercover agent while both attend a school for students with supernatural Astral abilities.

Who Nanami Arihara is in RIDDLE JOKER

Affectionate, capable, and strongly attached to her brother, Nanami balances domestic warmth with the discipline required by covert missions. Her Astral power and operational training support infiltration, intelligence work, self-defense, and the investigation of illegal ability research.

Nanami Arihara's abilities and key relationships

Satoru is her central family and route relationship, while Ayase, Hazuki, Mayu, and the school community connect her private life with the larger conspiracy.