"Hero" is a very sad person.
Heroes have a stronger impression of "forced to be" than "becoming a hero". However, in the final analysis, I think they are people who lack something.
[Talking about American Sniper]
Although he (Chris Kyle) suffered from a heart-attack, he still set foot on the battlefield 4 times, and finally... After watching such a movie, I can't help but notice. The hero will stand up and continue fighting no matter how many times, is this really such a beautiful thing?
...the power to save is entirely heterogenous, and no matter how hard you try, you cannot live normally.
Denji became a hero who protected mankind from Devils and was praised by the world. He became a necessary and loved existence. Although Denji is naïvely happy about it, the horror of being worshipped as an idol is also depicted in "Fire Punch".
The most correct way to end a hero's story, I think, is that the hero should give up as a hero.