Transmigrated into the Adorable Little One of an Apocalypse Villain

[Two male leads + apocalypse + SZ + sweet romance + everyone's darling + split personalities of the love interest]

Mu Bai, an ancient demon god, fell into a deep sleep after the world's laws rejected him for possessing power beyond the world's origin. He remained asleep until the original host's resentment summoned him into a novel.

The original Mu Bai grew up in an orphanage and was bullied from a young age, developing psychological problems that turned him into the mute everyone talked about. Then people from the Mu family arrived, claiming he was their young master. Mu Bai thought they were his salvation, but it turned out to be an even more sinister hell, one that eventually cost him his life. He couldn't understand why this had happened, why his family didn't love him, or why they had sold him.

Unfortunately, he would never understand before he died. He was merely a cannon-fodder character in a novel, and cannon fodder could never defeat the protagonist.

The Demon God declares: I'm the protagonist.

Unfortunately, even the Demon God couldn't avoid being ambushed. He looks at the antagonist lying beside him...

Until the apocalypse arrives...