One Punch Man Genos Season 1 Vs Season 2 : Elsewhere, countless monsters are wreaking havoc in multiple areas, but the hero association is being overwhelmed by the sheer number of threats.

After rigorously training for three years, the ordinary saitama has gained immense strength which allows him to take out anyone and anything with just upon bearing witness to saitama's amazing power, genos, a cyborg, is determined to become saitama's apprentice.