At one point, an English language version of the manga was licensed for distribution in North America by Seven Seas Entertainment under the title Nymphet, but the Los Angeles–based company ultimately decided not to publish it due to controversies over its content.
[1] An anime adaptation of the series — roughly covering the first twenty chapters of the manga, albeit with plot points and scenes lifted from later installments and featuring an original ending — aired on Japanese television between October 12, 2007, and December 28, 2007, containing twelve episodes.
He is placed in charge of class 3–1, where one of his students, a mischievously precocious eight-year-old girl named Rin Kokonoe, develops an intense crush on him.
The situation is further complicated not only by the often complex, intertwining relationships existing between them and their respective friends, families, and peers, but also by the everyday life lessons they all learn together, as well as from each other.
In keeping with the academic setting, the untitled chapters of Kodomo no Jikan are called jikanme (時間目), which means "class period" in English.