Ken, an insecure young man from Japan, meets Sophie, an interesting and sensual woman who teaches him the secrets of love and life.

Chased out of Shōnan for trespassing on gang turf, Jin Kaito flees to Yokohama. There he’s rescued by Makoto, a mysterious and seductive woman that runs the nightclub Southern Cross alongside other women, all sworn off men until their business becomes a hit. Their solution? Hire Jin as their exclusive sexual partner. Now, he lives the dream, satisfying a new woman every day, no strings attached. But things take a dark turn when Makoto’s ex-boyfriend returns, determined to steal control of the club by force.