* ArcFatigue: Jin's refusal to enter a relationship with Misaki. [[spoiler: They do eventually get engaged, but after several, tedious episodes focusing on Misaki making strong advances and Jin breaking her heart.]]
* BestKnownForTheFanservice: While ''Sakura-sou'' is almost entirely character drama, TearJerker moments, and realistic struggles with life and romance, most non-fans are only aware of the [[SexSells heavily advertised couple of scenes]] where a [[CloudCuckoolander spaced-out girl]] [[InnocentFanserviceGirl gets naked]]. And the title translates to "The Pet Girl of Sakura Hall," making the whole thing look like a HaremSeries.
%%* EnsembleDarkhorse: Akasaka.
* DiagnosedByTheAudience: While there's no official explanation for Mashiro's odd behavior and lack of social skills, outside of Sorata saying she is "special" in desperation, it is commonly agreed among North American fans that Mashiro is autistic. Official materials state that she'll never be able to live independently, and the descriptions about her behavior follow textbook definitions of autism so closely that fans have to apply OccamsRazor.
* MemeticLoser: Guess who's in the loser section on the "Blonde Haired Girls Always Win" list?
* MemeticMutation:
** [[MurderTheHypotenuse Plan C]].[[labelnote:Explanation]]While Mashiro only innocently proposed killing Nanami, the entire thing was raised so many times in the anime that it became a [[http://zh.moegirl.org/Plan_C byword for killing in some circles.]][[/labelnote]] Also becomes a RunningGag in [[https://www.youtube.com/watch?v=0PPVjYeD-Mk the show.]]
** "I believe in panties."[[note]]One of Mashiro's most memorable lines when Sorata finds her wearing a cat suit without any clothes underneath, except for panties.[[/note]]
* SeasonalRot: The light novels after the anime ends get hit with this hard. [[spoiler:Sorata and Mashiro become an OfficialCouple and Nanami is promptly PutOnABus with no resolution to her arc at all. Jin and Misaki also disappear. In between, a new pair moves into Sakura-sou, one of whom being [[ReplacementScrappy a girl named Kanna]] who has a crush on Sorata and tries to win him over when he's already dating Mashiro. In between, the personalities of the main characters take shocking, nonsensical turns: Sorata turns into a horndog who only cares about Mashiro for sex, completely disregarding his original characterization as someone who looked after Mashiro because it was the right thing to do, and Mashiro, originally characterized as mentally eight years old, becomes smart enough to figure out that he's doing it. This leads to a frustrating TimeSkip ending where nothing is resolved]]. Many who pick up the books after they loved the anime wish they hadn't.
* ShipToShipCombat: Sorata/Nanami vs Sorata/Mashiro. The competition is tight. In some discussions it even entered DieForOurShip territory.
* SuspiciouslySimilarSong: The [=BGM=] track "Okiro, Shiina" is a groovy, bass-heavy remix of "Aquarela do Brasil".
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