Joker Game: Kuroneko Yoru no Bouken
Japanese title: ジョーカー・ゲーム 「黒猫ヨルの冒険」
Type: Special
Episodes: 2
Source: Novel
Genres: Drama
Studios: Production I.G
Duration: 4 min per ep
Rating: R - 17+ (violence & profanity)

Specials included with the Blu-ray box set releases of Joker Game.