A married woman named Minamo leads a mundane life with her husband until she meets a student named Ai at her part-time job at a convenience store. They both discover their bodies are perfectly compatible after one night of passionate mistake. From then on, they indulge in pleasure during breaks at work or in the love hotel's service time, losing themselves in each other's embrace multiple times. It was just a natural encounter; nobody meant any harm.

旦那と平凡な生活をしている主婦のみなもは、バイト先のコンビニで知り合った学生の藍井とある日一夜の過ちを犯してしまう。お互いの身体の相性が最高だと気付いた二人は、その後も快楽に身を委ねていき、バイトの休憩時間やラブホのサービスタイムで何度もセックスに狂ってしまう。誰も悪くない、必然な出会いだった。