Failing to succeed both as a pianist and a piano teacher, Ritsuki accepts a job at a cleaning service that specializes in clearing out cluttered apartments. He is not only confronted by loads of trash but also by dark secrets.

A homeless man meets a medical school student who pays him to volunteer for a surgical procedure known as trepanation, drilling a hole in his skull, which ends up giving him the ability to communicate with the dark side of people’s subconscious minds.

In Tokyo, lonely patrons pay to sleep ("soine") with someone. Massage, cuddle, sleep… for comfort and nothing more than the warm embrace of another. Tasuku, a young man fresh out of a relationship, starts a new job as one of the cuddlers. He's nervous and reticent, but soon finds himself with a procession of clients, male as well as female. In his unique position as their companion, he finds himself privy to the true selves they keep closeted. Tender performance and contemplative writing elevate an exploration of the human need for comfort and tenderness, while learning to be true to oneself.

Wolverine faces his ultimate nemesis - and tests of his physical, emotional, and mortal limits - in a life-changing voyage to modern-day Japan.