In a Multiverse Anime World: From the Start, I Made a Pact with the Demon King Mio

Sun Hao transmigrates into this anime crossover world where demons and heroes stand opposed.

He becomes a hero whose mission is to slay demons.

One day, under pressure from the Demon King Mio, Sun Hao successfully activates the Infinite Level-Up System.

Sun Hao discovers that everything is starting to change.

His hot-tempered live-in girlfriend, Mio Naruse...

Stops throwing tantrums at the drop of a hat and even learns to do housework;

His outspoken girlfriend's younger sister, Maria...

Stops playing lewd pranks and starts hitting the books;

His girlfriend's passionate best friend, Lisara...

Stops teasing him with her words and instead launches a fierce pursuit.

This novel is also known as Anime Crossover: My Girlfriend Mio Naruse; Anime Crossover: Living with My Demon King Girlfriend; Anime Crossover: Watch Me Tame My Demon King Girlfriend

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Please do not imitate.