In the Mirror Demon arc, Charge Mermaid's Nanaumi Aoi is trapped inside a mirror by Minerva. While plotting to destroy the Charge Man base, Minerva first seeks to ruin Charge Man's reputation by broadcasting Aoi's masturbation to the world via satellite transmission, further driving her into despair.
In the Slave Marriage arc, the prince of Gozua becomes infatuated with Aoi's beauty and attempts to take her as his bride. However, he fails to overpower her strength and cunning, ultimately being captured himself. As Mermaid Aoi, she has an engagement ring implanted in her uterus—though her mind resists, her body unconsciously craves the prince. Yet, this story ends in a tragic BAD END.