With the Kanda River visible from the window, in a dilapidated four-and-a-half-mat apartment, a married woman discovers pleasure...and love. This may seem sudden, but I have neither a wife nor a girlfriend. You might think I'm a lonely man, but I don't care at all. Because I have a favorite streamer on erotic chat. A married woman with a beautiful face and ample bosom. However, a suspicion has arisen that this favorite streamer might actually be the mother of my cute student. To find out the truth...