Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, would be the reincarnation of Sarina Have a tendency?ji, among Gorou's clients who was a lover of Ai. 4 several years afterwards, Ai is murdered before the twins by the identical supporter who killed Gorou. The admirer later commits suicide, but Aqua deduces that the murderer might hav