Very good manga
If you like Deep Dark plot , and tragedy with superheroes this is defintelly for you .
The whole plot is that in the world there are superpowers that some people born with , and as always a bad guy called Ice Witch , froze everything , and people dont have food , water . they stragle to live . then the army find a village that our main character is , and burn it all . then our main character Agni , becomes a living fire-man with a very painfull and mercyless process and thats Fire Punch . A REVENGE STORY ! but its not like the common stories . it has a lot of interesting characters , some are crazy , other perverted , other cute . I defintelly recommend this manga ! ITS AWESOME , and it has a lot of plot-twists