Her husband is a big spender, even taking money from their daily living expenses. Saki, who is starting to get tired of living with such a husband, gives a try to a dating service, commonly known as a matching app, sent to her by a friend. It was just a moment of spontaneity. Telling herself that it's just a meeting, Saki heads to the meeting place with her matched partner, Takeshita. While hiding her guilty feelings, she is a little Kokoro at this moment when she can be a woman, but... Takeshita, who doesn't know that Saki is married, falls in love with her...