The literary giant Kaichi Asai has a secret that he cannot tell even his wife, Maika. - He has a tendency to write while watching women's sexual behavior... - However, Kaichi is still not satisfied and orders the editor in charge, Sanada, to show Maika a cuckold. - For the sake of his work, Sanada sneaks into Maika's bedside late at night... - Kaichi spent a sleepless night with jealousy and excitement at her lewdness, which he had never seen before. - The next morning, seeing Maika's subtle change, he can't control the urge that rises from within and calls Sanada...