MHA: Dragon Striker

A star in the sky that wasn't a star drops in a farm field belonging to Dino Nagatatsu and his son Key Nagatatsu and there, they saw a young boy who was covered in green lightning. He has no memories, no name, and cannot control the explosive physical power crackling across his skin.Lost and confused, he becomes friends with Key who names him Ku as Key, who also struggles with a dangerous, untamed energy. Together, these two powerful but reckless kids must learn to survive and control their abilities and what better way a to do it is by becoming the best players in the sport that Key loves.