Kazuya is soaring with joy when he learns that his mother's friend, Mayu, who is a woman he admires and is visiting for the first time in a long time. And on the night of their reunion, when they went out for a drink alone ... - She gets drunk and has a relationship while comforting her who complains that she doesn't get along with her husband. - And the two of them seek each other's lust to fill their loneliness and enjoy their secret pleasure. However, Mayu, who is married, tries to distance herself from her guilt for her husband ...