OSHI NO KO MANGA ONLINE NO FURTHER A MYSTERY

Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, could be the reincarnation of Sarina Tendōji, considered one of Gorou's patients who was a fan of Ai. 4 yrs afterwards, Ai is murdered before the twins by the exact same admirer who killed Gorou. The enthusiast later on commits suicide, but Aqua deduces the murderer might have had his