20-year-old Choa ends a relationship after discovering her boyfriend mocking her for being bad in bed. Soon after, she learns her childhood friend and tutor, Seunghyeon, was dumped for the same reason. They decide to “study” together to rebuild their confidence, but these weekly “lessons” soon turn into something far hotter, and as bodies and boundaries blur, they must decide whether this chemistry stays in the bedroom or becomes something real.
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