Sweet Girl, Dirty Secrets

Synopsis

Fresh out of the military, he learns his “innocent” girlfriend’s been playing him all along—and sleeping around, even with his tormentor. With the help of his childhood friend, he plots revenge to expose her true face.

Also known as Make My Girlfriend Dirty / Sweet Girl, Dirty Secrets / Taint My Girlfriend / 내 여자친구를 더럽혀줘