Five years into her marriage, Sayaka Takagi is constantly pressured by her husband and mother-in-law to have a grandchild. Desperate to conceive, she undergoes medical tests and discovers she has no fertility issues, but her husband repeatedly refuses to be examined. Distraught and determined to become a mother, Sayaka comes up with an unconventional solution: she decides to seek sperm from another man and have him creampie her to get pregnant. She posts a request but feels anxious about meeting a stranger. Eventually, a man responds. Gathering her courage, she meets him, and after some conversation, they proceed. However, just as things progress, the precious semen is unexpectedly spilled from her mouth.