* AlternativeCharacterInterpretation: Chitanda suffers from [[AmbiguousDisorder some sort of neurological disorder]] that affects her memory and prevents her from maturing beyond the mentality of a four year old.
* SugarWiki/AwesomeArt: It's Creator/KyotoAnimation, after all.
* BrokenBase: Opinion on the ending of the anime is split between those fans who thought it ended on a logical and satisfying note to those who were disappointed that none of the [[UnresolvedSexualTension UST]] was adequately resolved. It doesn't help that the novel series itself hasn't finished yet and the anime only adapted it up to the 4th volume.
* CounterpartComparison: Houtarou Oreki has been compared to [[Manga/DeathNote Light Yagami and L]]. Like both characters, Oreki is an intelligent, manipulative, cunning, clever CelibateHero who is very interested in solving mysteries. Much like Light, Oreki is also prone to getting irritated when he's stressed enough. Interestingly, there's an episode where Oreki sits like L.
* HilariousInHindsight: Basically, because of the funny similarities between the protagonists of this show and Mahouka, as already mentioned above.
* HoYay: Oreki x Satoshi is a surprisingly common pairing.
* EnsembleDarkhorse:
** The Newspaper Club's Masashi Tougaito seems to be relatively popular.
** Misaki Sawaguchi, the girl better known by her OdangoHair who presented a theory to the Classics Club.
** Pay proper respect to our Empress [[ManipulativeBitch Fuyumi Irisu]]!
* FanPreferredCouple: Some popular fan pairings include Oreki x Satoshi, Oreki x Irisu, Eru x Irisu.
* FriendlyFandoms: with LightNovel/TheIrregularAtMagicHighSchool due to incredibly similar protagonists and style of the anime adaptation. This leads to the fact that very many people fans of these series find out about each other when they hear about similar similarities.
* MagnificentBastard:
** Without a doubt, Oreki.
** The Empress, Fuyumi Irisu definitely.
** Episode 17 ''definitely'' cements [[spoiler: Tanabe Jirou]] as one. [[spoiler: He plans and carries out the Jūmonji thefts in an [[PublicSecretMessage elaborate ploy]] to get his student council president, Muneyoshi back into manga drawing. To Tanabe's dismay, It fails.]]
* MemeticMutation: Eru herself, especially her CatchPhrase.
* {{Moe}}: Eru definitely qualifies, and to a slightly smaller extent, Mayaka does as well.
* StoicWoobie:
** Oreki has his moments, [[spoiler:especially when he is manipulated by Irisu]].
** Irisu herself. She is emotionally crippled due to being the heir to her family's business, meaning she has to shoulder the burden of running a company before she even graduates from school. The result is that she can't really make any meaningful relationships and comes off as a ManipulativeBitch. She is also secretly jealous of Chitanda's childlike innocence, as she represents the childhood she always wanted but can never have.
* TheWoobie:
** [[spoiler:Chitanda's uncle, Jun.]]
** As of the SchoolFestival arc, Mayaka can count as well.
** Episode 17 cements Satoshi as one, as he gets to watch Oreki completely outshine him once again.
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