Mayumi and the other students are suspected of cheating and put in the torture room, where a device is waiting on them. However, this is all a ruse to make Kekko Kamen appear!
Includes: Kekko Kamen New, Kekko Kamen Premium, Kekko Kamen Royale, Kekko Kamen Returns, Kekko Kamen Forever, Kekko Kamen: The MGF Strikes Back, Kekko Kamen, Kekko Kamen 2: We'll be back..., Kekko Kamen 3, Kekko Kamen Surprise, Mask the Kekkou: Reborn