Mizuho Aoshika, an English teacher, strongly desired to have a relationship with Nariya Kusumoto, who is a student of her. She had an intense desire that was beginning to take hold of her every thought. One day, Mizuho finally began to take action on her feelings and seduced Nariya in her office. That action set her on a prohibited course that would take both Mizuho and Nariya to the heights of pleasure. But Mizuho has one obstacle in her way, Yukiha, a girl from her school that may have similar feelings for Nariya. What would happen from here as pent up lust comes to the surface?