Season 1
Polar opposites in personality and looks, fraternal twin sisters who live completely different lives wake up one day to find they've switched bodies.
Episodes
1 Superstar vs. Super Loser Dec 12, 2016 
2 Tell Me Your Wish Dec 13, 2016 
3 Kwon Si-ah vs. Kwon Si-yeon Dec 14, 2016 
4 Beginning of the Miracle Dec 15, 2016 
5 Between Romance and Anxiety Dec 16, 2016 
6 I Do Not Want to Go Back Dec 17, 2016 
7 Chubby Girl's Charming Point Dec 18, 2016 
8 Secret of the Necklace Dec 19, 2016 
9 If We Stay the Same Dec 20, 2016 
10 Can I Love Myself Dec 21, 2016 
11 It Was a Miracle Dec 22, 2016 
12 Unexpected Moment Dec 23, 2016