1-nen 1-kumi
Japanese title: 1ねん1くみ
Alternative titles: Ichinen Ikkumi
Type: OVA
Source: Unknown
Episodes: 1
Status: Finished Airing
Aired: 2002
Duration: 51 min
Rating: G - All Ages
Studios: Toei Animation
Themes: School
Demographics: Kids

Based on a well known children's book series by Ryugi Goto (Story) and Hasegawa Tomoko (Illustrations).

Follows the adventure of a naughty boy and the rest of the kids in his classroom.