As the Demon King's Right Hand, I'm Going to Rewrite the Script! Manga

Tooru, a regular office employee and fangirl, is obsessed with ‘Lapis Lazuli World’— a fantasy manga of battles and magic. Following the story’s climatic ending and demise of her favourite villain, the demon king, Tooru is left torn and heartbroken… and she accidentally falls off a rooftop. But when she wakes, she finds herself trapped in the body of a six-year-old… and the demon king alive in front of her?! Determined to set things right, she’s going to rewrite the script and save her beloved!
Tooru, a regular office employee and fangirl, is obsessed with ‘Lapis Lazuli World’— a fantasy manga of battles and magic. Following the story’s climatic ending and demise of her favourite villain, the demon king, Tooru is left torn and heartbroken… and she accidentally falls off a rooftop. But when she wakes, she finds herself trapped in the body of a six-year-old… and the demon king alive in front of her?! Determined to set things right, she’s going to rewrite the script and save her beloved!

Little Nemo: Adventures in Slumberland - Wikipedia

Bakugo

What isekai's that haven't been animated do you want to get an

Steam 커뮤니티 :: 가이드 :: All the anime I watched

As the Demon King's Right Hand, I'm Going to Rewrite the Script

Maou Gakuin no Futekigousha – RABUJOI – An Anime Blog

Jiro Alba Anime-Planet

I Played Demons Roots

I Became the Demon King's Right Hand so I Will Alter the Original

Official English Published By Shogakukan Asia - by Grizz

Manga Like The Villainess Flips the Script!

Comedy Comics - Comikey

Hikaru ga Chikyuu ni Itakoro:Volume1 - Baka-Tsuki