Little Big Horn is the story of a Cavalry patrol that discovers a horde of Indians ready to ambush Custer's 7th Cavalry. They set out to warn Gen. Custer that he is about to embark on a mission of virtual suicide. Gritty and extremely well-acted character studies set this version apart from the familiar telling of a tragedy from U.S. history.。升入私立咲钟湖学园高中的阿佐谷未乃爱,只是个动画的入门菜鸟,但她却被同年级的上井草有栖强行邀请成立了动画研究部。通过与同年级的高圆寺美子以及喜爱动画的前辈们相遇,未乃爱逐渐沉浸在动画的世界中。动研部员一边要面对学生会固执的废部劝告,一边对于渐渐逼近的世界灭亡一无所知,成天在活动室、在秋叶原、在圣地、在温泉,聊着动画的事情。。