Levi is god

After 4.45 billion years of creating, observing humans live, he realized that humans are not as good as he expected, they war, destroy nature

They are causing him to exceed the limit of anger so he ordered all the demons to kill them

While watching the human being punished, he met a small figure - you

He doesn't want fall in love, but when he met you, he couldn't help but save you to make you be his wife, his obsession

But he brainwashes you to forget everything