Shiho, who lives with her husband and father-in-law, has been struggling with infertility treatments, causing their marital relationship to deteriorate. Under stress, Shiho starts wearing flashy clothes and begins to seduce her father-in-law while taking care of him. The father-in-law is surprised but gets aroused by the provocative Shiho… Seeing this, Shiho instinctively seeks pregnancy intercourse with her father-in-law.
