There have been two Darker than Black manga. The first, illustrated by Noki Ya, was serialized in Monthly Asuka. Kadokawa Shoten released the series to two tankōbon on August 8, 2007 and January 26, 2008 respectively. The series has been licensed for a North American release by Yen Press. A second manga, illustrated by Yuji Iwahara, the original character designer for the anime, is currently being serialized in Square Enix's Young Gangan seinen magazine under the title Darker than Black: Shikkoku No Hana. This is a separate one from the first and it is a new story taking place one year after the events of the anime.