The daughter-in-law who became pregnant with her father-in-law's heir. Although I couldn't tell my husband, that day I became pregnant with my father-in-law's heir… (Tsubaki Rika, NGOD-256)

Rika, a daughter-in-law living with her husband's father-in-law, is a physically imposing man in his fifties, still serving in the military as an interior decorator on construction sites. Rika diligently does housework, but feels disgusted by her father-in-law's lewd and abusive manner and blatantly sexually harassing gaze. Her husband laughs, "Don't say that, Dad didn't mean it." But one quiet night, in the kitchen, she is suddenly groped and touched by her father-in-law…!