Early Life
Aiko was raised by Nemuri her whole life. Her Father is Unknown.
Upbringing
Aiko grew up happily with her single Mother. She loves her Mother dearly, over anything else in her life. In her eyes, Nemuri is Aiko's whole world.Nemuri did her absolute best to raise her daughter with as much Love as humanly possible. This gave Aiko a reason to smile, love and pay that love forward by saving people.Nemuri had shaped Aiko's viewpoint on Heroism as a whole. Heroes are beacons of Hope, Justice and Peace. Always smiling and giving every day 150%.
Development
Aiko is very much like her Mother in many aspects.
According to Nemuri, Aiko's first word was "Ecchi" which she happened to record.Early in life, Aiko learned about love, attraction and sexuality, understanding a lot more than she'd admit. She developed a small dysphoria over the concept of Love itself for a time.
Middle School
In Middle School, Aiko began developing and maturing very quickly. Nemuri had no idea her Daughter was taking Estrogen Pills behind her back. This was to "Grow up big like Mama."This further destabilized her already unstable Quirk, darkening her mind beneath the surface.Using her Quirk, Aiko would seduce other kids into anything she saw fit. She got into a lot of fights and lost friends due to her Quirk's volatile effects. For a few years, delinquent with a deceptively sweet face.Aiko is not proud of her past and put a significant amount of effort into improving herself.Before attending UA, Aiko underwent Therapy to quit her unhealthy habits move forward with her life and to use her power to save people.