Hoken no Sensei Shinobu, 37 Sai, K-Cup ~Sei ni Mezameta Toshima no Mesu~

Shinobu, a 37-year-old school nurse with K-cup breasts, is approached by a male student named Nishijima. He confesses his lack of understanding of love and asks her to date him. She agrees, thinking it's just a casual arrangement, but they end up going on a date and eventually having sex at her place. Shinobu and Nishijima continue their intense sexual relationship. Shinobu wears a maid outfit and lactates while Nishijima dominates her. Later, they are shown living together, with Shinobu heavily pregnant. They continue their sexual activities, with Shinobu expressing her devotion to Nishijima. The story concludes with Shinobu wearing a baby outfit and using breast pumps while Nishijima tends to their newborn child.