Sadistic Madness

"When I first laid eyes on you, I bet with myself that you were well-endowed." Strait-laced office worker Ryota, who is serious to a fault, is forced to accompany his coworkers to a very special club. As he's waiting nervously, the androgynous and alluring receptionist Sho is the one that comes to his room. Ryota, traumatized by a past incident, is resistant to the idea of submission, but falls prey to Sho's domineering skills in the bedroom... Is Ryota just one step away from becoming an obedient puppy!?(Source: Renta!) Note: Includes an extra chapter.