Unaired episode 13 of Akuma no Riddle released with the seventh Blu-ray/DVD volume. The special will be previewed at a screening in Tokyo City on November 22, 2014. The BD/DVD will be released on December 17, 2014.

After meeting a dancing old man in what she thinks is just a crazy dream, a preteen schoolgirl embarks on a series of fanservice-filled magical girl adventures with a little creature named Ongo who might be evil and a shy girl with mysterious powers named Nami. (Source: ANN)

An extra episode of Rio: Rainbow Gate! which will be bundled with the seventh volume of the Blu-ray and the DVD.

Kazushi Sudou is a university student who is visited by his two childhood friends, the sisters Ayane and Kotone Shirakawa. When Ayane discovers that Kazushi not only forgot to buy her pudding but is also using her special lotion in the bath, she decides to take revenge and join Kazushi in his bath along with Kotone. Will the perverted Kazushi be able to remain indifferent to them both? [Written by MAL Rewrite]