Doppelganger: From the Start, I Bit the Dog

Any Good Books Where the Male Lead Has Multiple Personalities and Each One Dotes on the Main Personality?

Any genre is fine.

Any Novels About Two Souls Sharing One Body? ♥

I'm looking for a story where the male and female leads meet, an accident happens, and one of them ends up living in the other's body as a soul, with their consciousness intact. One of them should be a genius, and later they should get a physical body. I read one like this, but it was too short. I really enjoyed it.

The Protagonist Becomes Someone Else’s Second Personality

Dissociative Identity, with a Weak Main Personality and a Powerful Alternate Personality!

The Protagonist Has Multiple Personalities, Each One Possessing the Pinnacle Power of a Different World

The protagonist has dozens of split personalities, and every single one is a top powerhouse in a different world. Please, everyone, I’m begging you.

I Made Ruyan Hold Up the Wall, and Ruyan Went Wild for Me

Looking for books similar to I Made Ruyan Cling to the Wall, and Ruyan Went Wild for Me.

Any Stories Where the Male Lead Has Multiple Personalities That Take Turns Coming Out?

The hero has multiple personalities: there’s a cute puppy-like one, a domineering CEO type, a refined scoundrel, and so on. They all fight over control of the body, and they’re all in love with the heroine.

The Younger Sister Is the Primary Personality, and the Older Brother Is the Protector Personality