Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, may be the reincarnation of Sarina Have a tendency?ji, one of Gorou's clients who was a lover of Ai. Four yrs later, Ai is murdered before the twins by precisely the same supporter who killed Gorou. The enthusiast afterwards commits suicide, but Aqua deduces the murderer can have exper