Kirishima, is a popular teenage boy and a star athlete at his school. For some unknown reason, he seems to have vanished off the face of the earth after quitting the volleyball team. His disappearance eventually became pivotal to the collection of stories about various individuals who are connected to him in some way, with each having a unique point of view about connections, relationships, social boundaries, and the similar events that revolve around them.

This story is based on the omnibus novel "Kirishima, Bukatsu Yamerutteyo" by Asai Ryou which was first published in February 2010.