Engrave deep love with mistress "Rio".Rio, who is a receptionist at a certain company, has a secret relationship with a married man she met at work.In the days when each other was busy with work, the long-awaited day with just the two of them came.After enjoying a meal at an Italian restaurant and a casual date, head to the hotel for some time alone.The two can not suppress their rising lust, exchange rich kisses in the hotel parking lot and rub each other's bodies.Torio, who enters her room, is stripped of her clothes, and her nipples, armpits, toes, and other parts of her body are licked violently.When her secret part is disturbed by her finger, her large amount of love juice overflows and she leaks her pant voice unintentionally.When she is penetrated by a hot raw meat stick and given a violent piston, she climaxes while twisting her horny limbs.The two forget that they are in an immoral relationship called 'lovers', and go on instincts to devour each other's pleasures...