[Machine Translation] Four young men and women live in a 2LDK apartment in Tokyo. ( A casual relationship? That's good enough for me. Each of them is anxious and frustrated, but by pretending to be their "real selves," they gently and lazily continue their communal life. Then Satoru, a male prostitute, joins the group, and gradually small ripples begin to spread.... The 15th Shugoro Yamamoto Award-winning novel, which received rave reviews from various newspapers and magazines immediately after its release.