Guilty pleasure....Btoom!! does really well in all the departments. The characters are neither flowery nor unbelievably psychotic, they seem just apt for the story, their integrity holds all through. Some animes just take the character elements to extreme and exagerate, here it is justified. The Plot is simple, it brings elements of thriller, action, psychological and even ecchi elements together to form an exciting flow of events. One thing is definite though, its a spiced up version of Battle Royale meant for guilty pleasure.