Season 1
12 episodes · premiered Dec 12, 2016
Polar opposites in personality and looks, fraternal twin sisters who live completely different lives wake up one day to find they've switched bodies.
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E1 Superstar vs. Super Loser
Fraternal twins Si-yeon and Si-ah couldn't be more different. One never wants to leave her room while the other is a big K-pop star.
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E2 Tell Me Your Wish
A new semester begins, but Si-yeon is already counting down the days to the end. Si-ah shoots a commercial with her not-so-collaborative partner.
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E3 Kwon Si-ah vs. Kwon Si-yeon
To reverse the magical mishap, Si-yeon goes back to visit the tarot card reader with Si-ah -- but bad news awaits them.
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E4 Beginning of the Miracle
On the first day of living each other's lives, Si-ah runs into a group of schoolmates and Si-yeon messes up on stage.
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E5 Between Romance and Anxiety
Si-ah's singing ability tops the list of search keywords on the internet, but she's not thrilled about it. She also gets a surprising text message.
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E6 I Do Not Want to Go Back
Gyo-seok and his gang keep testing Si-ah's patience. Meanwhile, Si-yeon and Hae-seong secretly meet up at the rooftop, but someone is watching them.
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E7 Chubby Girl's Charming Point
About two weeks remain until the tarot master is supposed to come back, but while Si-ah looks forward to that day, Si-yeon dreads it.
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E8 Secret of the Necklace
Si-yeon makes up her mind to enjoy the remaining days to the fullest. Si-ah makes a big mistake while fooling around in Si-yeon's room.
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E9 If We Stay the Same
After finally realizing the truth behind recent events, Si-yeon gets scared and starts looking forward to the tarot master's return.
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E10 Can I Love Myself
Hae-seong holds a press conference to answer accusations of plagiarism, but dramatic breaking news grabs everyone's attention.
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E11 It Was a Miracle
When Si-yeon goes back to the tarot shop, she is greeted by an unfamiliar woman who explains the necklace to her.
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E12 Unexpected Moment
With sincere hearts, Si-yeon and Si-ah try to return things to the way they were -- but it doesn't go quite as they planned.