RUMORED BUZZ ON OSHI NO KO MANGA

Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, may be the reincarnation of Sarina Tendōji, among Gorou's people who was a fan of Ai. 4 yrs later, Ai is murdered before the twins by precisely the same lover who killed Gorou. The admirer later on commits suicide, but Aqua deduces that the murderer could possibly have had his and Rub