Volume 3 covers chapters 13 – 18 (+ extra chapters) in the manga.
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Synopsis:

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.

While out on the town with Kurose, Shirotani daydreams about the younger man kissing him. His desire quickly overcomes his phobia of human touch, and he gives himself over to his counselor’s hands for relief. Watch as the relationship between the corporate secretary and his counselor continues to boil over in this story of love and therapy.
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Number of pages: 178
Release date: February 2017
Age rating: 18+
Number of volumes: 6 (completed)