Life gets pretty boring when you can beat the snot out of any villain with just one punch.The curtain rises on the big battle between the Monster Association and heroes! As the lower-ranked heroes engage in intense battle, the Class-S crew takes out many monsters in one fell swoop before venturing further underground. Among them, Flashy Flash demonstrates splendid battle prowess against a duo of monstrous ninja!The curtain rises on the big battle between the Monster Association and heroes! As the lower-ranked heroes engage in intense battle, the Class-S crew takes out many monsters in one fell swoop before venturing further underground. Among them, Flashy Flash demonstrates splendid battle prowess against a duo of monstrous ninja!