Lackey's Seducing Survival Odyssey - Chapter 982: So all this time... everything I’ve done... I’ve just been fulfilling the contract

It was in the year 2800 of the Midgard calendar. Back then, there was a Overlord who once reigned supreme and had reached the very brink of subduing the world.

Hogwarts is a strange place. The demon king who failed plastic surgery was eliminated from the job search. The white-haired old man wearing two layers of wool socks is still too cold in summer. The potion professor who never washes his hair is afraid of going bald, and the key keeper loves to play dragons!

William wanted to spend seven ordinary years, until that night, the door handle of the college lounge was stolen…

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- Description from novelbuddy

One day, a tower appeared in the skies of all the major cities…