Man, I am a hero must have the worst ending ever in a manga. Well, not sure if it even deserves to be called bad because the author didn't even try to do one, it's nonexistent. If you wanted to start this manga or are still early on it, stop. Don't do like me, that kept reading despite all signs pointing to a terrible ending.
Fortunately there's Golden Kamui to wash away that sour taste. Best manga being currently serialized. It has everything: action, drama, comedy, lots of badass characters and enemies that range from batshit crazy military officers to batshit crazy gay embalmers. Must read.
A traditional dish in Greenland made out by fermenting 300-500 birds called auks in a fat sealed seal skin. After three months or more of fermentation the seal is opened and you suck the bird's juices from their ass.
Sources report that it tastes like gorgonzola or rochefort cheese, so maybe it tastes good after all, though I wouldn't be brave enough to check the veracity of those claims.