채혜원

Seo Jin U, who died in an accident after being sidelined at work, suddenly wakes up in the past?! He's returned to the time before his idea was stolen and decides to quit… But when Executive Director Baek Ui Hyeon says just one thing, he ends up becoming the project lead instead!

An intense and rascal love story between Yeo-reum and Ba-da, teetering between 20 years of friendship and love.