Summary
Luke, disgruntled that his brother and friend have become superheroes, fails at solving crimes alone but when he discovers an alien plot to overthrow the world, only his sworn enemy will listen. Full description
Series: My brother is a superhero
My brother is a superhero (Volume 1.)
My gym teacher is an alien overlord (Volume 2.)
My arch-enemy is a brain in a jar (Volume 4.)
My cousin is a time traveller (Volume 5.)