This is gonna be a short review since reviewing is not exactly my strong point, but I love this anime, so I'll at least try!
This is a show with a practically non-existent story, instead it's basically pure comedy, and that was originally the reason why I stopped watching it after watching it for 5 minutes a year ago lmao, but I gave it another chance recently since when I first watched it I just wasn't in the mood for this type of anime, and God!, I love this shit. It's a brilliant mix of amazing comedy and relatability.
IMO, the comedy is best in the first two episodes, those being the ones where I laughed a ton, but after that it calms down a bit, at least in my opinion; the comedy doesn't exactly get bad per se, but instead it's just not AS funny. I laughed a lot throughout the entirety of the show, the first two episodes were merely the ones where I laughed the most per individual episode. If this is sounding like a turn-off (for some reason) for you then don't let it be, humour is entirely subjective, so you may think the same as me when watching it, or maybe you'll love it even more, heck you might even hate it, my point is give it a go at least. As I said, I originally dropped it after 5 minutes and wasn't even willing to give it a chance, not because it was bad but because I just wasn't in the mood, so I gave it another chance when I was in the mood and I am so glad I did, because I love this anime to bits.
Now in terms of relatability, it's also subjective. I've seen reviews saying how it's not relatable in the slightest, and I've seen ones where they say it's extremely relatable. For me, It's very relatable. Sure, it's exaggerated and over the top for comedic purposes so it's not like it's a hundred percent on the relatability scale in comparison to what my high school life was like, but it felt really similar, especially with certain parts. Hell, I could write so much on how it felt so similar to my life in high school, but this ain't my biography, it's a review lmao.
Overall, I gave it a 9/10, you may disagree or agree, but give it a go I beg of you!