战国时代──以恐怖来统治天下最凶最恶的武将“牙鬼幻月”。由“伊贺崎家”率领的一群忍者，经过激烈的战斗，打倒了“牙鬼幻月”。 但“牙鬼幻月”却留下了不详的预言… “444年后，我将变成妖怪复活再次以恐怖支配天下！”时光流逝—— 终结忍者“伊贺崎好天”跟复活的妖怪“牙鬼幻月”决斗，并成功将它封印。时光再次流逝到了现代──“牙鬼幻月”的封印被解除， “牙鬼幻月”的怨念生出了一批妖怪，这些妖怪们组成“牙鬼军团”， 为了让“牙鬼幻月”完全复活，妖怪们到处搜集人们的恐惧心，开始向人们展开袭击！紧急时刻，出现了5个年轻人。 他们正是伊贺崎家的末裔，也就是终结忍者·伊贺崎好天的孙子们！“当忍则忍，可不忍则不忍！”

丹尼的母亲在车祸中丧生时，他还是个婴儿。悲痛欲绝的父亲把丹尼锁在一所房子里，告诉他外面的世界都是怪物，等着把他抓走，就像抓走他母亲那样。但某个夜晚，丹尼所知的一切瞬间瓦解，他将如何面对彻底改变的世界…

When business student Ali meets wealthy and beautiful Maya, they’re immediately drawn to each other, but it seems that their families go back a long way.

Imanishi Uta and Kujo Misono are cousins ​​who have been raised together since childhood. Uta is a hard worker who aims to become a freelance writer while working part-time at an izakaya, but she is stubborn and not good at expressing her emotions honestly. On the other hand, Misono is a cute and spoiled character who is loved by everyone. These two contrasting people live together in an apartment in Tokyo, are family members, and are like best friends. However, in fact, Misono has a devilish cold-hearted heart...! Uta, who lives together without knowing that Misono has a hidden side, is gradually driven to ruin. When Uta eventually realizes Misono's betrayal, she despairs and vows revenge to counterattack, but...