When the members of Fairy Tail aren't destroying towns or defeating powerful foes, they're attending school, travelling back in time, visiting water parks, and taking on odd jobs from strange clients. No matter where they go, a fun adventure always awaits, sometimes in the most unexpected form! [Written by MAL Rewrite]

Episodes released on DVDs bundled with the 14th, 16th, and 17th volumes of the Nisekoi manga.

ACCA—a national body of the kingdom of Dowa that provides public services to the citizens of the country—was established as part of the peace settlement between the king of Dowa and the 13 states of the country during a revolt. One hundred years later, Dowa is in a period of unprecedented peace, due in part to the ACCA system. However, rumors of a coup d'état start to surface. Jean Otus, the second-in-command of the inspection department of ACCA, is charged with inspecting all 13 state branches. What will he discover as he performs his audit? Intriguing and mysterious, ACCA: 13-ku Kansatsu-ka is a politically-themed mystery that reveals a world of diverse cultures and lifestyles, with intricate connections between its characters, as the truth of the coup d'état slowly unfolds. [Written by MAL Rewrite]

Unaired anime episode bundled with the limited edition of High School DxD DX.1.