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

I Became the Demon King’s Right Hand so I Will Alter the Original Story is a Manga/Manhwa/Manhua in (English/Raw) language, Shoujo series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

Tooru, a passionate fan of the “absolute evil” Demon King, who died as the symbol of the happy ending of the manga ‘Lapis Lazuli World’, was in despair. “I wanted to dedicate everything to you.” Such was Tooru’s last thought as she fell from a high building. The next time she woke up, she had already transferred to the Lapis Lazuli World. And to the castle of her beloved Demon King, at that!