Season 1
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
1 The Nameless Kid, Choe Jun-u Jul 22, 2019 
2 A Moment I Want to Run Away Jul 23, 2019 
3 It Always Rains on a Sad Day Jul 29, 2019 
4 Happiness and Sadness Come and Go Instantly Jul 30, 2019 
5 After that Long and Sad Day Aug 5, 2019 
6 The Timing of Action and Reaction Aug 6, 2019 
7 Romeo and Juliet Aug 12, 2019 
8 The Moment of Your First Love Aug 13, 2019 
9 I'm Sorry Aug 19, 2019 
10 The Night That Will Never Return Aug 20, 2019 
11 The Emotions That I Got to Know Through You Aug 26, 2019 
12 Being More Mature Than Adults at the Age of 18 Aug 27, 2019 
13 I Should Still Like You Sep 2, 2019 
14 Happy Birthday to You Sep 3, 2019 
15 Ways to Embrace Your Scar Sep 9, 2019 
16 This Goodbye Isn't Forever Sep 10, 2019