Kodomo no Jikan

is a Japanese manga series written and illustrated by Kaworu Watashiya. The story revolves around a grade school teacher named Daisuke Aoki, whose main problem is that one of his students, Rin Kokonoe, has a crush on him. It was serialized between May 2005 and April 2013 in Futabasha's Comic High! magazine and is compiled in 13 volumes. At one time, an English-language version of the manga was licensed by Seven Seas Entertainment for distribution in North America under the title Nymphet, but they ultimately decided not to publish it due to controversies over its content. It was then relicensed by Digital Manga, who released the series in English through e-book. A 12-episode anime adaptation of the series aired in Japan between October and December 2007. While content of the broadcast version was sometimes heavily censored, the DVD releases of the individual episodes remain unedited. A second anime season was released as four original video animation episodes between January and July 2009. A third original anime DVD was released in January 2011. Plot Kodomo no Jikan is centered around 23-year-old Daisuke Aoki, who has just landed his first teaching job as a grade school instructor at . He is placed in charge of Class 3-1, where one of his students, a mischievously precocious nine-year-old girl by the name of Rin Kokonoe, develops a crush on him and proclaims herself as Aoki's girlfriend. At first he dismisses it as harmless, but she aggressively pursues her efforts to be with him. Aoki is in shock when she makes sexual advances towards him, thus leading him to believe that Rin comes from a troubled family. Aoki finds out that Rin's mother had died and she is living with a cousin whose flashbacks lead to violent outbursts.