Karneval

Karneval (カーニヴァル Kānivuăru?) is a Japanese manga series by Tōya Mikanagi, originally starting serialization in the monthly josei manga magazine Monthly Comic Zero Sum published by Ichijinsha in August 28, 2007. There are currently twelve volumes released in Japan. An anime adaptation was announced in April 2012 and premiered on April 3, 2013.