S1's ultimate sweet and sadistic weapon, Miharu Usaki, makes a surprise visit to the home of a masochistic man! Her soft smile and motherly nature...she's an angelic presence that can't be described as a little devil or a slut = Miharu Usaki! With her full character, she takes the lead and makes three masochistic men ejaculate multiple times, tries a squirting challenge, stays over and gives them a handjob at night and in the morning...if she sees such a happy face, it's the ultimate masochistic man's dream!