20XX年，亚洲某国爆发了内战.由于联合国军的介入而扩大，战局逐渐陷入僵局，但战场上偶然拍下的一张照片改变了大家的观点。这是一张旗帜的照片，本应兵戈相见的作战双方互相帮助在圣地升起旗帜的照片。那面旗则成为了和平的象征。但是，在离停战只有一步之遥时，武装势力激进派夺走了旗。联合国为了秘密夺回旗，决定投入SDC（特殊发展指挥部），并为了记录他们的全部活动而带上摄影师。这个任务被交给了白州冴子。她正是拍下旗的照片的那个人。举起镜头，战争的残酷真相展现于她眼前。

Several people are spending their evening in a café. Two gossiping girls, two debating men, a bookworm and a boy, who just broke up with his girlfriend. The café's waitress starts a chat with him, persuading him to take a look at certain easel, while other customers begin to notice unusual things.

In the far future when the continuity of the history has been lost, humans live in an ever more deteriorating completely artificial and enclosed world. The sea and the sky have disappeared, and the only window to "living" scenery exists in the records from the past, excavated in the relic.The Bureau of Record Excavation is an organization responsible for this task. Ura works for the 92nd office of the bureau. He is absorbed by the restoration of various records and fascinated by world of the past. Riko keeps a little distance to watch him, but averts her eyes from the records, believing that sometimes people just want things to stay the same.Everyone in this world knows that to know the past means to know the misery of this world, the present reality. But one day, Ura restores a strange video...

可爱的动物，明亮的画面，短小精悍的故事。不要被它小清新的外表所蒙骗，动物们每集最后不被弄的支离破碎，导演们是不会善罢甘休的。强烈的反差让这部动画显得非常奇特，颇具黑色幽默。可爱外表的动物，风和日丽的开头，但结尾总会大逆转，跌破观者的想象力。各种动物轮番出场，各具特色的性格，各种离奇的死亡方法。披着小清新皮的重口味，给你绝对的视觉冲击。
由Mondo公司于2002年制作的动画，最初诞生的目的是作为儿童安全宣传教育短片，后来慢慢演变成今天的风格。此系列目前已超过百集，且衍生出众多游戏和周边产品。