Mega Man StarForce Omega Warrior

Geo Stelar, a 15 year old sophomore, could not stand to be around others after his father's death years ago. Forced to go back to school, he still prefers to spend his nights star gazing alone. But all that changes when he merges with Omega-xis, an FM-ian, and becomes the city's "superhero" Mega-Man. Omega-xis reveals that he and Geo poses a power only they can use to protect Earth