Has the world suddenly split into four? Keiwa Sakurai, Neon Kurama, Michinaga Azuma, and Tsumuri are flung into different worlds. And for some reason, a different Ace exists in each…

Five loosely connected storylines concerning the secrets and lies, the fears and tears, and the puerile potty jokes that punctuate the characters’ daily (and in one eerie case, nightly) encounters.