Corporate secretary Shirotani suffers from obsessive-compulsive disorder One day he meets Kurose a therapist who offers to take him through a ten-step program to cure him of his compulsion As the two go through each of the ten steps Shirotani's attraction to his counselor grows Shirotani begins opening his heart to Kurose until the counselor suddenly tells him that their sessions are over Shocked Shirotani withdraws into his home refusing to come out Out of the blue Kurose texts him & asks to see him What will Shirotani do when he finds out the secret Kurose has been hiding from him this whole time?