Little Busters! Sekai no Saitou wa Ore ga Mamoru!
English name: Little Busters!: I Will Protect the World of Saitou!
Genres: Comedy, Supernatural
Type: OVA, Episodes: 1
Aired: Nov 15, 2013
Studio: J.C.Staff
Source: Visual novel
Rating: PG-13 - Teens 13 or older
Synopsis:
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."