Gl/yuri

Jaehee comes across as a shy, hard-working high school teacher. But behind closed doors, she gets her kicks by kneeling at the end of a whip, with her childhood friend Huilin holding the handle. However, when Sulhwa joins the school as a student teacher, secrets and feelings long buried start to surface. Now Jaehee's about to learn just how much pleasure she can pull from pain.

In a 17th century seaside fishing village, an oyster girl's fate was changed by an accident...