Corporate secretary Shirotani suffers from obsessive-compulsive disorder.One day he meets Kurose, a therapist who offers to take him through a ten-stepprogram to cure him of his compulsion. As the two go through each of the tensteps, Shirotani's attraction to his counselor grows.

Shirotani andKurose continue to grow ever closer as a couple. One day, while out on a datewith Kurose, Shirotani runs into Ueda, the woman responsible for triggering hisgermophobia. The encounter causes emotions Shirotani has long buried to surface.Will this be the catalyst that drives Shirotani to once and for all allow numberten on his list?