For this review, I'd be considering both seasons.
Seitokai no Ichizon is one of those anime that is solely existent for the purpose of comedy. It makes use of a lot of references (a few of which I don't understand).
Story: 5
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Well for the most part, it does not have a story, nor a plot twist. If anything, watch episode 0 of season 2: it is rather inspiring.
Art: 8
Good artwork. Nothing much to say.
Sound: 8
Awesome VA! So-so OP and EDw. BGMs and SFXs are enhancing the jokes and puns, which is good.
Character: 10
Strongest point of the series. It is because of the characters that the jokes are well-done. All the characters are likeable. Their conversations will keep you awake. Although not evident at first glance, character development is existent.
Enjoyment: 10
This is one of the anime that I keep watching every now and then. And every time I do, I keep laughing. Never bored with it. High rewatch value.
Overall: 8
A good anime to watch. Probably a good idea to watch it twice if ever it's your first time watching it.