Three years into their marriage, the Morizawa couple started wanting a child. However, they struggled to conceive and were troubled by it. One day, while Kana was caring for her bedridden father-in-law as usual, she found herself thinking of him like a child and let him suckle on her breast. Kana experienced a strange pleasure from this and began to exhibit 'maternal' instincts towards her father-in-law. His penis swelled in response, stimulating Kana's sexual desire. She invited him into her intimate area herself, feeling a sense of taboo but unable to stop moving her hips…
