The Definitive Guide to oshi no ko manga
Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, may be the reincarnation of Sarina Are inclinedōji, considered one of Gorou's clients who was a fan of Ai. Four decades afterwards, Ai is murdered before the twins by exactly the same enthusiast who killed Gorou. The supporter afterwards commits suicide, but Aqua deduces that the murd