If you liked
Oyasumi Punpun
|
...then you might like
Takopii no Genzai
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Main character has a bad home life and a strained relationship with their mother. A main male character is obsessed with the female male character, to the point that he'd do anything for her. Both involve an animal looking creature (Punpun- bird, Takopii- octopus) and both have their brief comedic moments every now and then, especially at the beginning of the manga before things get dark. Shizuka's dad is also not present in the manga.
If you liked
Koisuru Kiseichuu
|
...then you might like
Shounen no Abyss
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Both involve misanthropy, dark subject matter, death (suicide), and good art. It focuses a lot on human interactions. They also both have an adult and a teenager with a complicated relationship.
If you liked
Oyasumi Punpun
|
...then you might like
Hibari no Asa
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Both involve the deteriorating state of the protagonist, as they try to pretend everything is okay, despite their trauma. Both characters are distant from their family, and their monologues are eerily reminiscent of each other. Both authors used the manga as a place to express their emotions and get over things that happened in their lives.
If you liked
Zankoku na Kami ga Shihai suru
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...then you might like
Bokura no Hentai
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-Both deal with Sexual abuse -Psychological, and both of the manga delve into the mindsets of people going through difficult situations -Both involve trying to please a parental figure, despite them not really wanting to.
If you liked
No Game No Life
|
...then you might like
Amagi Brilliant Park
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Both have a fantasy genre and a really smart main character who has to make tough decisions.
If you liked
Ao no Exorcist
|
...then you might like
Hataraku Maou-sama!
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The main characters are both similar in personality. They both must conceal their true identify. Both shows can be both serious and funny at different times.
If you liked
No Game No Life
|
...then you might like
Re:Zero kara Hajimeru Isekai Seikatsu
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They setting is in a game. It also involves trying to constantly get out of tough situations.