Arbeit Shiyou!!

Part 1 - Hara Sayuri lives by herself in a low-rent apartment and supports herself through several part-time jobs so she can cover the rent. On this day she is up on a building washing the windows of the upper floors. It happens that the office whose windows she is cleaning belongs to the company where her older brother works. She calls out to him, but then notices that he has an erection. On seeing this, Sayuri takes off her clothes and begins striking suggestive poses. Part 2 - Kagurazaka Fumina loves cosplay and has a part-time job with a maid service. She has been at work since the morning for a new master, handling cooking, laundry, and cleaning. While she is in the middle of tidying up, the master suddenly attacks her from behind. She attempts to resist, but his massaging of her large breasts arouses her. In the end, from behind... Part 3 - Oshikiri Momoka has worked as a private tutor since finishing university. While giving a lesson to a cute boy one day, she dozes off. The sight of her in that state stirs his sexual urges. When Momoka comes to, she unhurriedly takes off her clothes, and the lesson in becoming an adult starts.