A normal hero: passionate and handsome, standing up to the powerful, with flashy moves, a sunny personality, and an infectious smile.
An abnormal hero: nuclear bombs leveling the ground, stars blown apart, galaxies melted down, Black Hole Bombs, dimensional strikes.
In short, this is the story of a tiny human and a System rebelling against the end of the universe.
PS1: World-line progression: Exorcism in the Physical Realm (Inuyasha) - The Secret of the Sage (Fullmetal Alchemist) - StarCraft (Marvel Universe)
PS2: The main world is a science fiction universe (a heavily altered version of Liu Cixin's universe, including but not limited to The Three-Body Problem, The Answer, Ball Lightning, The Butterfly of Chaos, and The Poetry Cloud).
PS3: Goofy comedy in the early chapters, serious mode later on.