Plot: After four years, Seung Yoo has now become a renowned mathematician, and he returns to look for traces of Yoon Su who has disappeared after the incident in 2017. Meanwhile, Principal Noh Jung Ah of Asung High School of Math and Arts proposes an offer to Seung Yoo, and Seung Yoo responds with another offer
Cast
Lim Soo-jungJi Yoon-sooLim Soo-jung was 42 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Wed, Jul 11 1979
Lee Do-hyunBaek Seung-yooLee Do-hyun was 26 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Tue, Apr 11 1995
Jin KyungNoh Jung-ahJin Kyung was 49 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Mon, Mar 27 1972
Woo Da-viSung Ye-rinWoo Da-vi was 22 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Wed, Oct 13 1999
Jang Hyun-sungSung Min-joonJang Hyun-sung was 51 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Fri, Jul 17 1970
Byeon Jung-suYoo Hye-miByeon Jung-su was 47 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Mon, Apr 15 1974
Choi Dae-hoonRyu Sung-jaeChoi Dae-hoon was 41 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Sun, Nov 16 1980
Baek Ji-wonMin Hee-seungBaek Ji-won was 48 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Mon, Apr 30 1973
Kim Ho-jinBaek Min-shikKim Ho-jin was 51 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Tue, May 05 1970
Jeon Guk-hyangShin Kyung-inJeon Guk-hyang was 58 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Fri, Jul 26 1963
Oh Hye-wonNoh Yeon-wooOh Hye-won was 35 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Tue, Feb 04 1986
Lee Kang-jiLee Hyun-jaeLee Kang-ji was 24 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Wed, Nov 26 1997
Kim Ji-youngKim Ji-naKim Ji-young was 16 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Fri, Jul 08 2005
Oh Kwang-rokJi Hyun-wookOh Kwang-rok was 59 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Mon, Aug 27 1962
Han Gi-joongRyu Hyun-ilHan Gi-joong was 60 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Mon, Mar 13 1961
Choi Seung-hoonYoung Baek Min-jaeChoi Seung-hoon was 13 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Thu, May 01 2008
Jang GwangNoh In-HyeongJang Gwang was 69 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Sat, Jan 05 1952
Son Jin-hwanPrincipal Oh Jin-taekSon Jin-hwan was 55 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Sat, Jul 16 1966
Jeon Jin-giVice Principal Choi Sung-hanJeon Jin-gi was 55 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Sun, Jan 16 1966
Yang Jo-aKim Jin-heeYang Jo-a was 38 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Mon, Jan 24 1983
Ahn Sang-wooHan Myung-JinAhn Sang-woo was 45 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Thu, Nov 25 1976
Choi Woo-sungJang Kyu-youngChoi Woo-sung was 24 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Wed, May 21 1997
Lee Young-eunPark So-jungLee Young-eun was 39 in Melancholia - Season 1 - Seung Yoo Returns (Episode 7).
Birthday: Mon, Aug 09 1982