Prelude: Red-Tiled Roof Part 1 (서막 ㅡ 붉은 기와 제 1장, Seomak ㅡ Bulkeun Giwa Je 1jang) is chapter 0.1 of the Twelve Nights webtoon.
Synopsis[]
Queen Ahn Young, the mother of Crown Prince Jin Yeon, is assassinated under Yoon Yeon Lee's orders. Meanwhile, Yi Hwi and Yi Jeok escape the burning palace from pursuing assailants to Wol Young Hwa's place under the order of their mentor, Seo In Seon Woo.