赤裸蜗牛

　　PG-13　　An endless army of shadow demons bent on the destruction of all reality swarms over our world and all parallel Earths. The only thing opposing them is the mightiest team of metahumans ever assembled. But not even the combined power of Superman, Batman, Wonder Woman, Green Lantern and all their fellow superheroes can slow down the onslaught of this invincible horde. What mysterious force is driving them? And how do the long-buried secrets of the Monitor and Supergirl threaten to crush our last defense?

 脑子缺根弦儿的九能带刀（鈴置洋孝 饰）路过邪马台古董店，在店内看到了极为珍贵的凤凰蛋。传说只要拥有这枚蛋，便可领会到威力无比的魔剑凤凰剑。为了打败宿敌乱马（山口勝平 饰），成为至高无上的强者，九能强买下凤凰蛋。不过店主（北村弘一 饰）叮嘱，无论如何千万不能将蛋放在头顶，否则将由可怕的事情发生。不幸的是，乱马无意中将蛋放在了九能的头上，一只长相奇怪的鸟儿诞生了。它帮助九能成为足以打败任何对手的强者。争强好胜的乱马无论如何都要挽回面子……本片根据高桥留美子的漫画《乱马1/2》改编，系该动画的剧场版第3部。

1457年的清泠浦，一场注定失败的守护，一段永被铭记的情谊。