

A pastry chef apprentice lives unaware she becomes a wild she-devil nightly. Her family hires their neighbor to watch her night version, as he falls for her day self while seeking to break her curse.
Acting
Yoona's dual performance — two characters, zero chill.
Direction
Lee Sang-geun balances horror-adjacent visuals with rom-com warmth.
Costume
The devil transformation look is unexpectedly iconic.

Director
Lee Sang-geun
Trivia, insights & behind the scenes
Yoona reportedly studied physical comedy and horror movement separately for months to create two distinct presences.
The 'gumiho' and shapeshifter tradition in Korean folklore gets a modern rom-com remix — think My Girlfriend is a Gumiho but make it pastry.