Nagi Yoshino

Junpei's real mother. She has a youthful appearance and is a smoker. She warmly accepts her son who dislikes going to high school, showing her deep affection for Junpei. She quickly became friends with Itadori, whom she met for the first time, and showed her free-spirited side by making him perform a silly act while drunk.

She appears in the Young Fish and Reverse Punishment arc. She hosts Itadori for dinner, deepening her bond with Junpei. That night, while Itadori and the others were at the movies, she discovers Sukuna's finger placed in the living room of her house, but is soon brutally murdered by a curse that was drawn to it. After the incident caused by Junpei at Sari Sakura High School was resolved, her poorly preserved body was found along with the finger by high school associates.