Hitomi is a married woman living a peaceful married life. Her only concern has always been the size of her breasts. Though she once thought small was fine, one day she experiences a shocking encounter—coming face to face with a cock larger than anything she's ever seen. Overwhelmed by its sheer size, her heart is shaken to the core. She awakens to a powerful, previously unknown allure. Her resolve wavers... and then, she falls helplessly into its depths...