In order to discover new pleasures, ``Nao Wakana'' visited a certain room. - A collar to swear loyalty to the landlord and handcuffs to renounce resistance. - Hoping to live as a 'slut', he dedicates his hot body to him. - He feels pleasure whenever he is stimulated, and is willing to serve at any time. - No matter how intense or painful the act is, he trusts in the pleasure that lies ahead and surrenders to it, begging for new stimulation for the extraordinary world that lies ahead after reaching multiple climaxes...