Summary Demon King Princess from Kainu Manga
Demon King Princess summary: Princess Seraphina becomes the Demon Lord fated to destroy the world—until she’s killed by Cassiel, heir to the Holy Kingdom. But when she wakes up as a 10-year-old before everything fell apart, she vows to change her fate. While searching for a way to remove the Demon Lord’s seed, Cassiel reappears… as her suitor?!
