MTL - Top Student: Experience Infinite Occupations - Chapter 249 impotent rage

Charlotte Meklen had crossed into the Fars Empire, seeking only to become a civil servant in a different continent. She wasn’t a combatant... But who would have thought that even clerical staff would end up on the battlefield!

“You’re not taking me to bed. Ever.”

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

[The Demon King is Dead], a story in which the Demon King got immediately killed in the Prologue. I became the ‘Demon Prince’ of said novel.

…Help me.