Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, is definitely the reincarnation of Sarina Have a tendencyōji, one among Gorou's sufferers who was a admirer of Ai. 4 years later, Ai is murdered in front of the twins by exactly the same lover who killed Gorou. The fan later commits suicide, but Aqua deduces the murderer might have ha