Oán Trùng Xuân Hoa

Assassin Merilyn of the Shadow Agency wanted to avenge her family and thought that Felix Voss was the killer. Yet she got the Dual-Breath Worm with him. Eventually, she knew that her fued was actually the Crown Prince, so she worked with Felix for revenge. They became closer by time, before she stepped in the trap of Felix's former fiancee....