OSHI NO KO MANGA NO FURTHER A MYSTERY

Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, is the reincarnation of Sarina Are inclinedōji, amongst Gorou's clients who was a admirer of Ai. 4 many years later on, Ai is murdered before the twins by a similar fan who killed Gorou. The supporter later on commits suicide, but Aqua deduces the murderer might have had his and Ruby'