By day, Sakawa serves as the director of the general headquarters at a certain specialized trading company. After graduating from university, she joined the top domestic medical equipment manufacturer. Rising through the ranks from a sales position, she is now the director of the general headquarters at the head office, recognized by all as a career woman. Sakawa, who has had a smooth sailing career, married her subordinate several years ago. The subordinate (husband) is also advancing down the elite path like Sakawa, and is currently stationed alone as the branch manager of the Tohoku branch. One day, perhaps due to the loneliness of being far away, Sakawa reconnects with an old flame. And, as a result of spending one night together with a stranger, Saika's forgotten perverted nature is awakened...
