Anime Crossover: I'm in The Irregular at Magic High School, Building the Fourth Calamity

Bai Yi transmigrates to the Irregular at Magic High School world and becomes an adopted son of the Yotsuba family, one of the Ten Master Clans.

In this world, a person's status is determined by their aptitude for magic. Then Bai Yi activates the Dimensional Game System!

Not only can it level up without limit and grant others player status, allowing him to build a Fourth Calamity army, it can also invade other worlds and generate game dungeons!

And so...

Shiba Miyuki: "For my brother's sake, I'd give up everything."

Yotsuba Maya: "You won't spare even me? What a greedy child."

The Holy Maiden: "His Highness Bai Yi is the true savior of humanity."

Roxy: "Is there really magic that can make them bigger if you keep massaging them?"

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