After her child-rearing duties had settled down, Yuka started working part-time three years ago. During this time, she began an affair with a university student named Takahashi who worked part-time and enjoyed their illicit relationship. One day, they went to a hot spring for a company trip. Of course, Takahashi was among the members of the trip. Sexually voracious Yuka secretly lured Takahashi for sex in the middle of the night but was noticed by Kobayashi, another part-timer who had come along…
