Seon Woo Seo In

Seon Woo Seo In 4

Seon Woo Seo In 3

Title Left Minister of Ga Guk
Debut Chapter 0.2
Gender Male
Hair Light Brown
Eyes Hazel
Ex-Fiancée Sa Baek Hwa

Seon Woo Seo In is the Left Minister of Ga Guk.[1]


Seon Woo Seo In is the son of a minister of Ga Guk and the betrothed of Sa Baek Hwa. Twenty-one years ago, he pleads his father to help Baek Hwa and her family following the death of Minister Sa Hwa Hyeon under false charges. His father disapproves of this, advising him to forget Baek Hwa since it is a threat to their family. While she and her brother Hyun are imprisoned on the streets, he finds them for help, but Baek Hwa removes her engagement ring and allows it to be crushed. He then realizes that their engagement is now severed. Three years later, he goes to Yu Hyang Ru with a companion and helps him to forget Baek Hwa. He then comes across Baek Hwa, much to their shock and happiness and decide to start anew.[2]

At the height of Yoon Yeon Lee's coup d'état ten years ago, Seon Woo Seo In wakes up Crown Prince Jin Yeon and tells him to be quiet. He then escorts a confused Jin Yeon away from the palace, ordering him and Yi Jeok to exit the Phoenix Doors and continue running westward to a red tile-roofed house.[3]

Ten years after the coup one night, he is welcomed by Seol Hwa to Yu Hyang Ru during a rendezvous with some members of Deung Ha Bul Myung. He shows a map of the Prime Minister's residence where the compact was transferred from Yoon Yeon Lee's quarters. He adds that the Prime Minister has added more guards, making it more obvious that it is indeed in the place. He tells them that though the Prime Minister's residence is much easier to infiltrate than the palace itself, it will be difficult in terms of hiding themselves and the compact's exact location. However, he then agrees that the compact must be stolen. With everyone else out, he tells Young Hwa that Yi Hwi and Yi Jeok have both become stubborn. He ironically thanks her for taking care of them despite risking their lives ten years ago.[1] Their discussion is then interrupted by Seol Hwa where there is a ruckus outside. He tries to help but Young Hwa tells rejects his offer, saying that they can fix the problem by themselves.[4]

Seon Woo Seo In and Wol Young Hwa are strolling while talking about how many gisaeng are using Nabi's name after she was taken off the gisaeng registers. She then leaves him to have a discussion with the others. He tells them that the Crimson Moon was behind some farmers' uprising who were equipped with expensive weapons. After the chat, the Left Minister strolls with Yi Jeok and Baek Ho who reports to them that Yi Won is not an ordinary person and thinks that he is the Duke's son. Yi Jeok then asks the Left Minister if he can get a picture of the emperor.[5]


  • "No matter what, I will always protect you and Seol Hwa." (To Sa Baek Hwa)[4]


  1. 1.0 1.1 Twelve Nights manhwa, Chapter 8
  2. Twelve Nights manhwa, Chapter 9
  3. Twelve Nights manhwa, Chapter 0.2
  4. 4.0 4.1 Twelve Nights manhwa, Chapter 10
  5. Twelve Nights manhwa, Chapter 29


Characters of Twelve Nights
Ga Guk
Imperial Family Ahn YoungHyun BinJin HyulJin WonJin YeonYi Sae GiYoon Yeon Lee
Ministers Hwang Se HyungKim Hak GyuSa Hwa HyeonSeon Woo Seo InWi Ji HyunYoo Ja Gyeom
Bi Yeong Pal Mu Baek AhBaek JuBaek LinBaek RyungBaek SaBaek Yoo Shin
Bi Yeong Ship Mu Mu Jin
Deung Ha Bul Myung Baek HoCrimson MoonMu JinNabiSeol HwaSeon Woo Seo InWol Young HwaYi Jeok
Yu Hyang Ru NabiWol Young HwaYi Jeok
Others ChungHwang Se RyeonHyunMa Mi SongNam Yang HeonSoriWoonYi HaYoo Dan AhYoo Dan Ah's Mother
Seo Seo
Imperial Family First PrinceFirst PrincessJang ReiJang Rok HaJang RyunSecond PrincessThree Wives of Jang RyunYeong Bi
Others Gwak Ji RyeonMeng Gyeom
Ja Eui
Others Yoon Yeon Lee
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