The slightly naive "Miretan", also known as "Mirei Shinonome", is alone with a masochistic man in his room... They laugh and flirt with each other, play with each other's nipples, and bring him to the brink again and again. The Miretan world is in full swing as she plays a naughty and lewd slut! This is also her first time appearing in a slutty work... She was worried about what would happen, but her maternal instincts were stirred by the masochistic man's reaction and she started to play sweet and sadistic roles with a grin on her face! She's always playing naughty pranks on him, whether she's cooking, taking a bath, or even on a date! She awakens into a devilish slut who makes him cum seven times in one night!