Yeah, honestly if the author keeps on killing characters like this it'll get extremely stale pretty soon. Author is gonna make us desensitized to any of the characters death, and we'll probably stop caring about any character. A bad decision really, to kill of almost every single character that...
And 'boom'. A missile landed on their head and they died before even realizing what happened. And thus this manga got a definite conclusion, and presented to us the message of life's futility.
I'm way too late to this discussion but that 'Mia-chan' has someone's balls in her mouth. Probably that head mangaka's pp. So he wasn't being sucked by a dude. Js.