Melancholia - Season 1 - Eps 12: Flawed Premise
Seung Yoo announces that he was the student involved in the teacher-student love scandal at Asung High and shocks everyone that it was all a setup. Yoon Su doesn't want to jeopardize Seung Yoo any longer and prepares to disclose information on Noh Jung Ah. Meanwhile, Ye Rin explodes all her emotions onto Seung Yoo, who only has his eyes on Yoon Su.
About Melancholia

Title: Melancholia
First Air Date: 2021-11-10
Last Air Date: 2021-12-30
Status: Ended
Rating: 7.6/10 (from 22 votes)
Language: KO
Seasons: 1
Total Episodes: 16
Network: tvN
Genres: Drama
Production Companies: Studio Dragon, Bon Factory
Synopsis
A sexual scandal between a math teacher and a student in a prestigious high school ended in tragedy. 4 years later they meet again, now as adults, to reveal the corruptions in school and to regain one's reputation as a teacher.
Cast

Lim Soo-jung
Ji Yoon-soo

Lee Do-hyun
Baek Seung-yoo

Jin Kyung
Noh Jung-ah

Woo Da-vi
Sung Ye-rin

Jang Hyun-sung
Sung Min-joon

Byeon Jung-su
Yoo Hye-mi

Choi Dae-hoon
Ryu Sung-jae

Baek Ji-won
Min Hee-seung

Kim Ho-jin
Baek Min-shik

Jeon Guk-hyang
Shin Kyung-in