If you liked
Kaguya-sama wa Kokurasetai: Tensai-tachi no Renai Zunousen
|
...then you might like
Mamahaha no Tsurego ga Motokano datta
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While I don't recommend "Mamahaha", it's similar to Kaguya-sama in that both characters feel love for each other but can't show it due to circumstances. With the basic feature of both anime being mind games and dominating comedy (excellently handled in Kaguya-sama, not at all in Mamahaha).
If you liked
Mirai Nikki (TV)
|
...then you might like
Darwin's Game
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Both series have similar synopsis (boy trapped in the survival game), both have a side romantic story line, both have chaotic action (hide&seek, battle royale mode, grenades), similar characters and both main characters are trapped to game by using a mobile phone.
If you liked
Haha Sange
|
...then you might like
Oyasumi Sex
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In both anime the main character will lose a family member and both anime contain incest.
If you liked
Aura: Maryuuin Kouga Saigo no Tatakai
|
...then you might like
Chuunibyou demo Koi ga Shitai!
|
Both have basically a same plot - in childhood, main character was "busted" in imagined fantasy world and after time he normalizes. Later he meet girl with same problem and he tries to help her.
If you liked
Air
|
...then you might like
Kanon (2006)
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Both series are created by Key games and produced by Kyoto Animation. They also have similar sad story, almost identical animation and both have very similar characters and plot. So if you like one of them, you probably will like the other.