《 幻想嘉年华》是一部同人漫画集，故事发生在一个名为Ahnenerbe的酒吧里，这个酒吧的主人是谜之生物猫姬，在这个世界里除了人类之外还有一种生物叫做猫姬，这种生物也有自己的思想，在酒吧种一群猫姬正在谈话，从他们的谈话内容可以得知一场时空浩劫将会降临，不久之后冬木市就开展了让所有魔术师都为之疯狂的圣杯战争，著名魔术师卫宫士郎、Saber、远坂凛、Archer、葛木宗一郎、Rider、Lancer都参加了这场圣杯战争，在比赛中的所有选手都要组成各自的队伍争夺圣杯，只不过这次的圣杯战争必须改以网球、花牌、抽卡片、黑胡子等民间游戏来决定胜负，在比赛快要结束的时候圣杯突然出现在了众人的面前，主角卫宫士郎劈开圣杯之后，里面竟然是不属于这个时空的猫姬

"Fantasy Carnival" is a fan comic collection, the story takes place in a bar called Ahnenerbe, the owner of this bar is a mysterious creature cat Ji, in this world besides human beings, there is also a creature called cat girl. This creature also has its own thoughts. A group of cat girls are talking in a bar. From their conversation, we can know that a catastrophe in time and space will come. Soon after, Fuyuki City launched the Holy Grail War that made all magicians crazy. The famous magicians Emiya Shiro, Saber, Rin Tohsaka, Archer, Soichiro Kuzuki, Rider, and Lancer all participated in this Holy Grail War. All players in the competition must form their own teams to compete for the Holy Grail, but this time the Holy Grail War must be decided by folk games such as tennis, flower cards, drawing cards, and black beard. When the game is about to end, the Holy Grail suddenly Appearing in front of everyone, after the protagonist Emiya Shiro split the Holy Grail, it turned out that there was a cat girl who did not belong to this time and space