Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, will be the reincarnation of Sarina Have a tendency?ji, amongst Gorou's clients who was a enthusiast of Ai. 4 decades afterwards, Ai is murdered before the twins by precisely the same admirer who killed Gorou. The admirer later commits suicide, but Aqua deduces that the murderer might