Sora no ManimaniSora no Manimani.

Sora no Manimani (Japanese: 宙のまにまに; lit. 'At the Mercy of the Sky') is a Japanese manga series written and illustrated by Mami Kashiwabara. It was serialized in Kodansha's seinen manga magazine Monthly Afternoon from September 2005 to July 2011, with its chapters collected in 10 tankōbon volumes. A 12-episode anime adaptation by Studio Comet and directed by Shinji Takamatsu aired in Japan between July and September 2009.