OSHI NO KO MANGA FOR DUMMIES

Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, may be the reincarnation of Sarina Tendōji, amongst Gorou's clients who was a admirer of Ai. Four years later, Ai is murdered before the twins by precisely the same enthusiast who killed Gorou. The supporter afterwards commits suicide, but Aqua deduces the murderer may have had his an