Sekai Oni follows the story of a little girl called Shinonome Azuma.
With her parents dead or missing, Azuma has been taken into her uncle's family. However her new family has been harshly abusing her, to the point she has become so mentally unstable she developed the rare syndrome of Alice in Mirrorland, which makes her see things that shouldn't be there reflected on mirrors, water, glass, etc.
Everything begins when the things she sees start affecting the real world directly, and the barrier between reality and illusion breaks apart.
Welcome to the world at the other side of the mirror. Welcome to Wonderland.
Sekai Oni has finished publishing and it has 110 Chapters. It is also Known as: 世界鬼, Sekaioni, World of Demon
Genres: Fantasy , Horror , Drama , Psychological , Mystery , Parallel Universe
Try our anime quiz: Anime Characters Guessing Quiz/Game
Top 5 Manga Like Sekai Oni [2026 List]
5. Fairy Tail: Happy no Daibouken
Happy of Fairy Tail was summoned to another world and became a hero! And its inhabitants aren’t human … They’re animals, with ears and tails to match! Guided by a mysterious talking heart, Happy soars through the skies of this new world, helping the friends he’s making along the way, like a cute bunny, an alluring fox, and even a dog that scares him! What is this place? And will Happy ever make it back home to Natsu and the rest of Fairy Tail?!
Fairy Tail: Happy's Great Adventure has finished publishing and it has 80 Chapters. It is also Known as: フェアリーテイル ハッピーの大冒険, FAIRY TAIL ハッピーの大冒険, Fairy Tail: Happy Adventure, Fairy Tail - Happy's Heroic Adventure
4. Succubus ja nai mon!
Adjusting to a new school is always rough, and that goes double for Sakura, a shy girl attending a monster girl academy! Her new classmates include a kiss-curious harpy, a sarcastic lamia, a cyclops with an eye for Sakura, and a plain-spoken centaur. Eager to blend in, Sakura declares herself a succubus! But can she keep up the ruse while fending off the touchy hands, claws and scaled coils of her new friends? It's going to be a long, hot school year!
I am not a Succubus! has finished publishing and it has 24 Chapters. It is also Known as: サキュバスじゃないもん！, Sakyubasu ja nai mon, Я не суккуб!, サキュバスじゃないモン!, 才不是魅魔呢!, 서큐버스가 아니라고!
3. Isekai Nihon
As two worlds collide into one, a fateful counter between the "killer hero" and the "elf princess from another world" has led to a great adventure to defeat the even greater evil!
Another World in Japan has finished publishing and it has 54 Chapters. It is also Known as: 異世界日本, Isekai Nihon - Ansatsu Ikka no Sannan wa Ikaika shita Nihon de Musou suru, 異世界日本～暗殺一家の三男は異界化した日本で無双する～
2. Lord of the Mysteries
Waking up to be faced with a string of mysteries, Zhou Mingrui finds himself reincarnated as Klein Moretti in an alternate Victorian era world where he sees a world filled with machinery, cannons, dreadnoughts, airships, difference machines, as well as Potions, Divination, Hexes, Tarot Cards, Sealed Artifacts… The Light continues to shine but mystery has never gone far. Follow Klein as he finds himself entangled with the Churches of the world—both orthodox and unorthodox—while he slowly develops newfound powers thanks to the Beyonder potions.
Lord of the Mysteries has finished publishing and it has 65 Chapters. It is also Known as: Lord of the Mysteries
1. Sekai Oni
Sekai Oni follows the story of a little girl called Shinonome Azuma.
With her parents dead or missing, Azuma has been taken into her uncle's family. However her new family has been harshly abusing her, to the point she has become so mentally unstable she developed the rare syndrome of Alice in Mirrorland, which makes her see things that shouldn't be there reflected on mirrors, water, glass, etc.
Everything begins when the things she sees start affecting the real world directly, and the barrier between reality and illusion breaks apart.
Welcome to the world at the other side of the mirror. Welcome to Wonderland.
Sekai Oni has finished publishing and it has 110 Chapters. It is also Known as: 世界鬼, Sekaioni, World of Demon
