1 Season
13 Episode
Nineteen to Twenty - Season 1 Episode 2
On day two of School 19, the teens swap stories about their past relationships — later tasked with homework that'll make their hearts flutter.
- Country : South Korea
- Genre : Reality
- Director : Kim Jae-won, Park Su-ji, Kim Jung-hyun
- Cast : Cho Kyu-hyun, Kim Ji-eun, Lee Soo-hyun, Jeong Se-woon, Kim Jung-hyuk