Tsujishima Meguho who is an office lady (OL) has very huge boobs. Her husband is Kei, a charismatic trainer at a sports gym who also appears on TV. Meguho holds a complex in her chest that is full of fat compared to his perfect body. She wants to join the gym where Kei works, but she refuses for some reason. Meguho asks her junior Kitano to cooperate in strengthening her female power so that she can review it other than her muscle training.