Prelude: Red Tile-Roof Part 2 is Chapter 0.2 of the Twelve Nights manhwa.
Synopsis
Empress 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 to Wol Young Hwa's place under the order of their mentor, Seon Woo Seo In.