Super! Luckyman

The unluckiest middle schooler in Japan, Yoichi Tsuitenai. Completely unrelated to that, one day a massive explosion occurs in space, and aliens start arriving on Earth one after another! However, one hero appears to protect the Earth! His name is Luckyman. He may not have any special abilities, but he has the best luck in the universe! He combines with Yoichi to take on the Earth's crisis!

(Source: MANGA MILLION)