Akuma no Riddle: Shousha wa Dare? Nukiuchi Test
Alternative: 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）
Status: Completed
Genres: Action School Shoujo Ai
Description
Unaired episode 13 of Akuma no Riddle released with the seventh Blu-ray/DVD volume.