0x1 - I'll Protect the Saito of the World!

August 28, 2013

Kyousuke impliments a Battle Ranking system, with Riki slowly moving up the ranks, whilst Yuiko has fun teasing the other girls by giving them dubious advice. Meanwhile, a mysterious fighter known as Mask the Saito appears and starts defeating other members of the Little Busters and moving to the top of the rankings. Mask the Saito then confronts Riki in a battle, but he is stopped by a moving story by Komari and admits defeat, revealing himself to be Kyousuke, who passes the mask onto Riki.

0x2 - EX1 Secret Agent: Saya Tokido

January 29, 2014

While Riki Naoe goes to the classroom to pick up a Japanese lit notebook at nighttime, he is approached by Saya Tokido, who urges him to flee. After he hears a distant gunshot, he finds her abandoned student handbook left in the classroom.

0x3 - EX2 The Two in the Labyrinth

February 26, 2014

0x4 - EX3 Darkness Executives

March 26, 2014

0x5 - EX4 Someday, Somewhere...

April 23, 2014

0x6 - EX5 Sasami Becomes a Cat

May 28, 2014

0x7 - EX6 The Small World That Someone Wished For

June 25, 2014

0x8 - EX7 Kanata's Secret

July 30, 2014

0x9 - EX8 Our Bonds

July 30, 2014

0x10 - Kud Wafter

November 28, 2020

This anime adapts Key's visual novel Kud Wafter, which follows the romantic relationship between Riki Naoe and Kudryavka Noumi from the game Little Busters!