E1 - Superstar vs. Super Loser

Aired: December 12, 2016

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.

E2 - Tell Me Your Wish

Aired: December 13, 2016

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.

E3 - Kwon Si-ah vs. Kwon Si-yeon

Aired: December 14, 2016

To reverse the magical mishap, Si-yeon goes back to visit the tarot card reader with Si-ah -- but bad news awaits them.

E4 - Beginning of the Miracle

Aired: December 15, 2016

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.

E5 - Between Romance and Anxiety

Aired: December 16, 2016

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.

E6 - I Do Not Want to Go Back

Aired: December 17, 2016

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.

E7 - Chubby Girl's Charming Point

Aired: December 18, 2016

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.

E8 - Secret of the Necklace

Aired: December 19, 2016

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.

E9 - If We Stay the Same

Aired: December 20, 2016

After finally realizing the truth behind recent events, Si-yeon gets scared and starts looking forward to the tarot master's return.

E10 - Can I Love Myself

Aired: December 21, 2016

Hae-seong holds a press conference to answer accusations of plagiarism, but dramatic breaking news grabs everyone's attention.

E11 - It Was a Miracle

Aired: December 22, 2016

When Si-yeon goes back to the tarot shop, she is greeted by an unfamiliar woman who explains the necklace to her.

E12 - Unexpected Moment

Aired: December 23, 2016

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.