In the Full Service hentai game for gays, you play a workaholic named Tomoki Nakamoto, who is sick and tired of his life. So, he remembers back to when someone invited him to a spa. This isn't any ordinary spa; it's one of those full-service spas. Your character is a young man who has never seen anything like this before. His life is changed forever, and it's easy to see why after you discover what really goes on at this place. Prepare to be amazed by the type of activities that can only take place at a spa where anything goes.