Global Mage: My Magic Has Random Effects

[Everyone Is a Mage + System + One Female Lead] (Also known as: Accidentally Entering the Upper Realm: My Roommate Is a Beautiful Elf)

It all started with a simple nap during class.

The calculus teacher waved a magic wand, sending the blackboard eraser flying through the air.

In the cafeteria, the lunch lady had only a flying ladle left to casually toss the food around.

Then, by pure chance, I ended up sharing a room with a beautiful, genius elf girl?

The source of all these changes was a disaster, or perhaps an opportunity.

What?

Your magic is a whole tier above mine?

Then take this: [Spell Power MAX]. Can you handle a little fireball with 500% power?