The fact that they are filling for both one punch man and yoshihiko is hilariously cool, since "Yuusha" Aside of "Brave", sometimes transliterated to "Hero" Which makes it synonymous to the other song they did for one punch man, the hero
Yeah, it's cool that they used actual live footage in a PV. Unlike Skill-2015-, where they simulated a live show (and I could pick out details where they referenced particular performances).