Kodomo no Jikan (Manga)

, abbreviated to Kojika (こじか), is a Japanese Seinen manga created by Kaworu Watashiya. First published on March 2, 2004 in Action Comics' magazine, Comic High! whose official serialization began on May 22, 2005 and ended on April 21, 2013.

Kodomo no Jikan is composed of 13 volumes; divided into 93 chapters; plus a special volume entitled Kodomo no Jikan - Houkago. It was adapted to into an anime on October 12th, 2007 by Diomedéa, Studio Barcelona and, later, adapted to 3 OVAs.