Notari Matsutarou
Japanese title: のたり松太郎
Type: OVA
Episodes: 10
Source: Manga
Genres: Sports
Studios: Mushi Production, Big Bang
Duration: 28 min per ep
Rating: R+ - Mild Nudity

A teenage school dropout finds new meaning in life when he discovers sumo wrestling, heading off to Tokyo for the bright lights and training with an aging master of the sport.

(Source: The Anime Encyclopedia)