She is the founder of Hakoniwa Academy and creator of the Flask Plan. She is the leader of the Unequals, alongside her partner Hanten Shiranui, after being absent for three years after being sealed by Misogi Kumagawa, after Medaka Kurokami was successful in reforming Kumagawa. The seal weakened, allowing her to walk free. Ajimu is the main antagonist of the You Are the Successor of Kurokami Medaka Arc.