At a college reunion, he reunites with Yuko, an older ex-girlfriend, for the first time in a while. - After I missed the last train and my memories were blooming, Yuko, who is now a married woman, invited me to come over to her house? My husband isn't here today... - Although I was tormented by guilt, I accepted those words and got excited when I saw my ex-girlfriend in her housecoat. - Unable to resist sexual desire, he crosses the line.