Healthy's parents divorced, and he lives with his father. One day, after living together for about three years, his father brings home Reina, a subordinate from work, as his new wife. Healthy becomes captivated by Reina's beauty and starts peeking at her changing clothes or rummaging through her underwear. Eventually, unable to hold back any longer, he insists on taking a bath with her while his father is out, seeing her naked body. Later, it is discovered that his father has male infertility, so Healthy decides to impregnate Reina instead…＃班長P
