Ren Isumaia,is the gang leader of STRAY, where only he, his best friend, Toji Sakurai, and his twin sister, Hitomei, are the members of this gang. But his life changes after encountering people known as Breakers.Warning:adult language, violence, be advice

summary is inside. Warning: this story is solely on the topic of base, so not really a Fushigi Yuugi fanfic. So it's based on the idea of Fushigi Yuugi.