ヤバイッ！先輩のチ○ポ！最高過ぎるッ！！！めっちゃ気持ちイイ！酔った先輩に強引に迫られ…ワンナイトのつもりが…えぇぇ中折れぇぇぇ？もうッ！イキそうだったのにぃぃぃ！朝起きると目の前にビンビンの朝勃ちチ○ポ！いいや勝手に挿れちゃおうっと…チ○ポを勝手にずっぷり！朝っぱらから子宮グリグリ！騎乗位で勝手に絶頂！1回じゃ欲求不満は収まらずお...

Nakata, who is transferred frequently due to work, happens to meet his neighbor Riho while working away from home. Things aren't going well with her husband, and she's feeling lonely, so Nakata ends up having a relationship with her... The two fill each other's loneliness and find comfort in their sexual intercourse, indulging in their secret carnal desires every day. However, with both of them already in relationships, there's no way that this relationship can last forever...