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%%* AlasPoorScrappy
%%** If you disliked her, [[spoiler:Mama Punpun]].
%%** [[spoiler:Aiko]], too.
* AlternateCharacterInterpretation
** Punpun's mom. At times, she may seem to border EvilMatriarch levels. At times, she seems to just be grumpy. Besides Punpun, she is without a doubt the most conflicted character within the series.
** The ending leaves itself open for interpretation. Is it a happy ending because [[spoiler:Punpun seems to be going down a path of normal and sanity now]], or is [[spoiler:he just a hollow shell who keeps marching on because he isn't even strong enough to kill himself]]?
** Aiko gets a lot of this, particularly in later chapters. For example, whether or not many of her actions are an understandable effect of being a constant victim of abuse, or just plain and genuinely twisted and unforgivable, is a subject of debate. Punpun's own actions, which come from similar causes, are also debated frequently.
* BaseBreaker: Aiko. A lot of people dislike her for screwing up Punpun, and being the catalyst for a lot of his poor decisions and darker moments, even if she didn't want that to happen; but some find her an incredibly tragic woobie due to her past.
* HoYay: The end page of Chapter 104 depicts Aiko and Sachi cuddling together.
%%** Seki and Shimizu get a lot of this.
* MagnumOpus: For InioAsano. Solanin is also widely acclaimed, but Punpun seems to be more popular, and is a more "epic" and ambitious story, being the longest of Asano's works.
* NightmareFuel
** The sex scene in Chapter 36 is... rather ''disturbing'' to look at. What the characters are saying doesn't do much to lighten it up, either.
** What Punpun looks like when he snaps in Volume 9. He becomes this black mass with too many eyes, and tends to spout lots of nihilistic quotes whenever he's depicted like this.
*** It gets worse in Volume 11, after he [[spoiler:kills Aiko's mother, when the latter tried to stab Aiko]], and in Volume 12, when [[spoiler:he beats someone up for criticizing Sachi's manga (among other things)]], and later [[spoiler:tries to kill Aiko, and then himself, in absolute grief over his murder.]]
*** And then we get this [[http://24.media.tumblr.com/7cce4a3919fb3b61342c5355c5a55b2b/tumblr_mrhyjbZcRo1rudi1lo1_500.png frame]] as Punpun [[spoiler:beats up the guy]] in Volume 12.
* {{Squick}}: In chapter 137, Punpun and Aiko [[spoiler:have sex in a forest]]. And right after a very disturbing emotional confrontation between the two of them, at that.
* WhatDoYouMeanItWasntMadeOnDrugs: Characters include a god of poop in an alien spaceship, a [[http://www.mangafox.com/manga/oyasumi_punpun/v01/c003/7.html perpetually smiling, photorealistic god with an afro]], and the main character and his family are usually depicted as cartoony birds, despite everyone else in the serious being relatively very realistically drawn, and at one point Punpun turns into a ''triangle'' for a while, when he starts living alone. The surrealism gets toned down as the story goes on, however.
* TheWoobie: ''Aiko''. She had, by far, the shittiest life of anyone in the story. [[spoiler:And it ends in the worst fucking way possible.]]
* TrueArtIsAngsty: The manga is frequently considered a masterpiece by those who read it, and is praised for its lifelike characters, strong art, and skillful visual storytelling. It's also relentlessly dark, cynical, and sometimes even nihilistic.

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