Akuma no Riddle: Shousha wa Dare? Nukiuchi Test

Other name: Akuma no Riddle Special, Riddle Story of Devil Special, Akuma no Riddle Episode 13, 悪魔のリドル　勝者はだれ？（抜き打ちテスト）

Genres: Action, School, Shoujo Ai

Status: Completed

Summary:

Unaired episode 13 of Akuma no Riddle released with the seventh Blu-ray/DVD volume.