THE BASIC PRINCIPLES OF OSHI NO KO MANGA

Unbeknownst to him, Aqua's fraternal twin sister, Ruby Hoshino, could be the reincarnation of Sarina Are likelyōji, considered one of Gorou's clients who was a supporter of Ai. Four a long time later on, Ai is murdered in front of the twins by exactly the same fan who killed Gorou. The fan afterwards commits suicide, but Aqua deduces which the mur