Idol Seungha's R-Rated Film Shooting

Film producer Na-eun and director Yeong-tae are on the verge of shelving out cash for an adult film production. They're too busy blaming each other for the messed-up filming. Before another filming begins, Na-eun suggests Yeong-tae to become an actor himself and practice filming. Na-eun leads the shy Yeong-tae very skillfully. How far will the practice go...?