
Season 1 (2019)
A misunderstood loner is drawn out of his shell after transferring to another high school, where he comes across new ordeals -- and first love.
Episodes: 16
Star Cast: Ong Seong-wu , Kim Hyang-gi , Shin Seung-ho , Kang Ki-young ,
Episodes List

Ep.1 The Nameless Kid, Choe Jun-u
Air Date: 2019-07-22
Not long after arriving at a new high school, where he's shown around by star student Ma Hwi-yeong, Choe Jun-u faces an unfair accusation.

Ep.2 A Moment I Want to Run Away
Air Date: 2019-07-23
Jun-u prepares to transfer schools again. Yu Su-bin doesn't believe Jun-u took the watch. Hwi-yeong won't own up to what he did.

Ep.3 It Always Rains on a Sad Day
Air Date: 2019-07-29
Jun-u beats out Hwi-yeong to pair up with Su-bin for a class assignment, and receives an urgent call about an old friend.

Ep.4 Happiness and Sadness Come and Go Instantly
Air Date: 2019-07-30
Su-bin and Jun-u continue practicing their English for the upcoming evaluation. Sin Jeong-hu writes a letter, and makes a heartfelt apology.

Ep.5 After that Long and Sad Day
Air Date: 2019-08-05
Jun-u's outburst of rage panics Hwi-yeong, who has something to cover up. O Han-kyeol visits someone who can testify to the truth.

Ep.6 The Timing of Action and Reaction
Air Date: 2019-08-06
Fighting with her mother, Su-bin doesn't go home. Determined to reveal Hwi-yeong's true nature, Jun-u starts to gain insight into his behavior.

Ep.7 Romeo and Juliet
Air Date: 2019-08-12
Su-bin and Jun-u can't stop thinking about each other -- but don't know what to do about it. Hwi-yeong agonizes over one wrong answer on a math test.

Ep.8 The Moment of Your First Love
Air Date: 2019-08-13
Even as Su-bin learns she's not the only one who likes Jun-u, she's excited for their first date. Jo Sang-hun goes up against Hwi-yeong's parents.

Ep.9 I'm Sorry
Air Date: 2019-08-19
Hwi-yeong sends Su-bin something that cuts her date with Jun-u short. Han-kyeol turns away a bribe. Yun Song-hui searches for a driver.

Ep.10 The Night That Will Never Return
Air Date: 2019-08-20
When the class goes on a trip together, the students bring with them a tangled mess of relationship and personal dramas.

Ep.11 The Emotions That I Got to Know Through You
Air Date: 2019-08-26
Han-kyeol deals with a petition to replace him. Hwi-yeong removes Su-bin from the tutor group, which bothers Song-hui more than it does her.

Ep.12 Being More Mature Than Adults at the Age of 18
Air Date: 2019-08-27
A rumor about Hwi-yeong's grades being rigged spreads like wildfire. Su-bin hesitates to tell Song-hui something, and meets with her father.

Ep.13 I Should Still Like You
Air Date: 2019-09-02
Finals approach, Song-hui's disapproval forces Su-bin and Jun-u apart, and Han-kyeol tracks down Hwi-yeong's old teacher.

Ep.14 Happy Birthday to You
Air Date: 2019-09-03
Everyone worries when the rumor about Hwi-yeong gets him into real trouble. Jun-u tells Han-kyeol about his newfound goal.

Ep.15 Ways to Embrace Your Scar
Air Date: 2019-09-09
Song-hui remains stubborn about Su-bin and Jun-u, who enters an art academy. The school board investigates Hwi-yeong's case.

Ep.16 This Goodbye Isn't Forever
Air Date: 2019-09-10
Hwi-yeong makes peace with the others -- and himself. Jun-u realizes his mother's situation, and must break difficult news to Su-bin.