 If you liked
Horimiya
|
 ...then you might like
Hananoi-kun to Koi no Yamai
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Very similar male MCs alongside both relationships feeling slightly unorthodox. Hananoi-kun has a lot less humor but explores each character's weaknesses and strengths in relationships way better than Horimiya. Its as if the story put more points into introspectiveness instead of aggressive/forwardness. While Horimiya has characters that are generally only positively aligned aside from Miyamura, Hananoi-kun does a good job at having characters that have done bad/regrettable things and try to move past them.
Another way to see it is Horimiya does extremely well with its side character dynamics, while Hananoi-kun does extremely well with its main character dynamic.