为了拍摄心中理想的怪兽电影，这群萌趣活宝四处物色演员，竟然真的集齐了各式怪兽，上演疯狂大乱斗！
影片改编自同名漫画，故事以住在澡堂打工的吸血鬼·森兰丸（吉泽亮 饰）和天真无邪的少年·立野李仁（板垣李光人 饰）为中心展开。兰丸追求极致的味道“18岁处男的血液”，目睹了澡堂的独子李仁的成长和纯洁。然而有一天，李仁对同学篠冢葵（原菜乃华 饰）一见钟情。于是兰丸的必死“阻止童贞丧失作战”拉开帷幕。
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?
改编自《聊斋志异》之《聂小倩》。故事以秀才宁生在兰若寺意外救下女鬼小倩为起点，讲述了二人在亡命天涯的过程中相知相爱的故事。
