One day, the protagonist is ordered by his company to go on a two-month business trip. Having often gone to massage parlors in his hometown, he ends up looking for a massage parlor on the business trip. The massage parlor he finds is "Relaxation Yuubi". It has a calm atmosphere and reliable treatments by the owner and therapist, Miho. There are no sexual services, but the comfort and pleasure of the massages lead the protagonist to return again and again.

And each time he goes, Miho's massage changes...

[Translated from the official website]