Uri Pokguni Eoryeojyeosseoyo

Tyrant turned toddler!
After realizing she's inside her favorite novel, Ellenfiela uses her "prophetic powers," a.k.a. her knowledge of the story, to make money! This catches the eye of the imperial palace, and she's recruited to help the emperor, who has an unusual problem. But this wasn't in the original novel, was it?!
(Source: Manta)