Reiko, a married woman who lives in the same apartment complex, always confuses me. The cause of this is the unpleasantly colored ``black nipples'' peeking out from her chest. It was too exciting for me, who is a ronin and doesn't have any feminine feelings... One day, while sharing breakfast, she once again exposed her unprotected breasts... Losing my sense of reason, I played with her nipples to the fullest, causing them to become erect and showing me how she was writhing in agony... And from that day on, the days of playing with Reiko's nipples began...