When Ai was very young, her mother was arrested on a theft charge, and even after her release, she did not care enough to raise Ai anymore, which made her grew up in an orphanage.The environment she suffered being with her abusive mother caused her to think of ways to protect herself. Ai lacked any memory of loving or ever being loved herself.Prominently shown when Ichigo Saitou scouted for idols to start a group.