Fumino has been running an adult English conversation class from her home and teaching it for the past three years. She started the class because she felt lonely after her husband moved out to take care of his father-in-law. However, while her emotional void was filled, her physical needs were not. One day, she was giving a lesson on business English related to drinking alcohol. Fumino got drunk and fell asleep. A student played a prank on the sleeping Fumino. Frustrated sexually, Fumino ended up accepting it. After that, she started seeking pleasure she couldn't get alone after each lesson…
