Sekirei is a Japanese manga sequence by Sakurako Gokurakuin. The manga started serialization within the seinen journal Young Gangan revealed by Square Enix in December 2004. An anime adaptation produced by Seven Arcs and directed by Keizō Kusakawa aired in Japan between July and September 2008, and a second season aired between July and September 2010. Both seasons are licensed in North America by Funimation Entertainment. The central character of the sequence is Minato Sahashi, a ronin who failed school examinations twice. His life adjustments, nevertheless, when he meets a lady named Musubi.