Lee Da-yeon is an ordinary Korean office worker suffering from depression due to overworking. One day, she opens her eyes only to find herself in the strange world of her dreams, however, seeing how incompetent and unremarkable Da-yeon is, the people of that world only react coldly.

After years work being worked to exhaustion, Da-yeon just... doesn't have the strength to try anymore.

"Are all humans in your world lazy like you?"

"Let me just breathe..."

Mikhail, the diligent emperor, and Da-yeon, the new girl who doesn't want to put in effort anymore - the healing romance of two extremes, the helpless new lady and the nagging emperor.