Pregnancy Ward: A junior female doctor, who is getting married next month, repeatedly ejaculates extremely concentrated semen inside her while she is resting during her night shift, intending to completely destroy her happy future. (Shibasaki Haru, START-571)

Surgeon Haru Shibasaki has been deeply trusted and cared for by his senior, Dr. Nitta, since their intern days. Nitta is a respected, highly skilled, and kind senior, but inexperienced in romance, and thus gradually develops feelings for Shibasaki's kind nature and aloof demeanor. However, one day, Shibasaki confesses that he wants to marry a patient Nitta previously treated. Nitta sees this as a sudden betrayal and develops resentment towards Shibasaki…