Little Busters! Sekai no Saitou wa Ore ga Mamoru!
English title: Little Busters!: I Will Protect the World of Saitou!
Japanese title: リトルバスターズ！世界の斎藤は俺が守る！
Type: OVA
Episodes: 1
Source: Visual novel
Genres: Comedy
Studios: J.C.Staff
Duration: 24 min
Rating: PG-13 - Teens 13 or older

A special unaired episode of Little Busters! sent to those who bought all 9 BD/DVD volumes of the anime. This episode includes the story about "Mask the Saitou."