OVERPOWERED!

 is a Superhero and Fantasy Canvas Webtoon created by riaru.

Synopsis
One powerless guy, in a world of Super-humans, meets the most powerful girl on earth!!

Jean
For the better or worse, just your average human. But after being forced to join the urban school of Astro city, his low fate changes with a sudden crash.

Sylvia
Just about the most powerful super-human on earth, though little does anyone know. Boasting powers from super senses and speed to flight and lazer beam abilities, a simple crash-landing accident starts an unexpected bond with Jean.

Tessa
Joins as a protagonist after her initially bitter relations with Jean and some meetings at the gym turn into a sort of friendship. At dusk she becomes "electro-schoolgirl", a hero-wannabe with inventive gadgets to catch out the "ruffians".

Cloudette
Another regular human and the former crush of Jean, now a recurring character with a friendship to him.

Related

 * Only With You~: Same creator
 * The Delinquent Girl Who Fell in Love: Same creator