Back in his high school days, Joon-Seok (Joo Sang-Wook) was bullied by Chang-Sik (Yang Dong-Geun). Because of this, Joon-Seok’s high school days were like a nightmare. Now, Joon-Seok finds it…

On a live music radio show, a letter arrives from the 23 years in the past. Through the letter, the first love and friendships of five friends are revealed.

is a story about elite high school seniors, the top 1%, who are prepared to go to extremes to get into prestigious universities. A student who has ranked number one…