倦怠期中の上司の嫁と何度も何度もヤリまくった真夏の汗だく不倫旅行 高橋しょう子

Takasho suspects the husband is having an affair and she goes to ask one of the husband’s subordinates, Kuro. She explains her laments and how she feels unappreciated and unattractive and ends up proposing a revenge affair with him.