: Their relationship begins as a utilitarian pact for a reality dating show but evolves into a deep, albeit tragic, bond. Akane becomes one of the few who truly understands Aqua's dark motivations, leading to a partnership that blurs the line between genuine affection and tactical alliance. Aqua and Ruby Hoshino
They are often distant enough that no blood relation exists, or they are very distant cousins. sex shinseki no ko to o tomari dakara
past. Though they eventually enter a "real" relationship, Aqua breaks up with her to protect her once he realizes his revenge path is still active. Aqua and Kana Arima : Their relationship begins as a utilitarian pact