The Author Who Became A Villainess

Hyejin gets sucked into her own book she has written. There she became the villainess of her book who is destined to die in the hands of her own exclusive butler. Unable to escape her new life, she embraces it and decided to change her fate that she wrote, in hopes she won't get killed by her butler. It doesn't matter...

who made me a non existent princess???

[Complete] I am a 16 years old modern girl who has lived my whole life in the hospital due to an unknown illness. After I've died because of that illness, I've found myself being reborn in my favourite manhwa, I read before dying, that was called "WHO MADE ME A PRINCESS"?? And I've become a character that didn't exist...