Please tell me any works of fiction you know in which the main

There is a cowboy bebop episode with a child villain but I can't recall which

Danganronpa Despair girls
Most of the antagonists are children but... one of them is pretty high on the lewd side which is a shame because the main villian is pretty good.

Corpse party is a visual novel/rpg walking game where the main antagonist is a little girl, but she is a "creepy little ghost girl"

>>340388
Sympathy for the devil I believe

File: Hansel-Gretle-Black-Lagoon.jpg (89KB, 500x732px) Image search: [Google]

89KB, 500x732px

Black lagoon has a side story with child antagonists as well, but they're in the second season

>>340388
That one's debatable because he was actually like 100 years old and had just stopped aging

Aggie from Paranormal (animated movie)
Luke from Percy Jackson (book)
José Von Reichter from Cybersix (cartoon)
The Children from The Midwich Cuckoos (movie)
Flashman from Tom Brown's School Days (book)
Missie from The Innocents (by Nette Hilton)
Mary Tilford from The Children's Hour (play)
Josephine Leonides from Crooked House (book)
Abigail Williams from The Crucible (play)
Damian Thorn from The Omen (movie)
The Baby from Rosemary's Baby (movie)
Rosalind from In The Woods (book)
Leading William from All Summer In A Day (book)
Matilda from The Monk (book)
The Twin from The Other (movie)
Ben from The Fifth Child (book)
Kevin from We Need To Talk About Kevin (movie)
Cage Creed from Pet Sematary (by Stephen King)
The Children in Let's Go Play At The Adams (book)
Andy Evans from Speak (book)
Isaac Chroner from Children of the Corn (book)
The children of Lesser Malling in The Power of Five (book)
Esme from The Witchlands (book)
Pearl from The Scarlet Letter (book)
Lilith from Case 39 (movie)
Island full of killer children from Who Can Kill a Child (movie)
Esther Coleman from Orphan (movie) (is actually an adult who looks like a child)
The children of Hobb's End from In the Mouth of Madness (movie)
Bobby from Clock Tower (video game)

The "The Passage" trilogy by Justin Cronin. They're novels not anime, but you did say works of fiction.

Village of the Damned