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Trivia / Kaguya-sama: Love is War

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  • Casting Gag: Kaguya's voice actor Aoi Koga appears in the live-action film as a theatre employee.
  • Channel Hop: The series was originally published monthly in Miracle Jump, and switched over to a weekly release in Young Jump after 10 chapters. Because of this, chapters printed in Young Jump were renumbered starting over from chapter 1 (e.g. the fireworks chapters were listed as 34 and 35 instead of 44 and 45), though fan translations and the volume releases ignore this and simply continue the numbering where Miracle Jump left off.
  • Character-Specific Pages:
  • Creator's Favorite: According to an interview, Aka says that it's Shirogane.
  • Cross-Regional Voice Acting: The Portuguese dub is mainly recorded in São Paulo, but also unusually brings voice actors from Curitiba and Porto Alegre recording from their hometowns.
  • Directed by Cast Member:
    • The English dub of season 1 is co-directed by Aaron Dismuke (Shirogane) and Austin Tindle (Ishigami)
    • The Latin American Spanish dub is directed by Leyla Rangel, who voiced Ai Hayasaka.
  • Distanced from Current Events : The official English subtitles for Season 2's fifth episode originally rendered one of Fujiwara's lines as "What's with the social distancing?" Once Aniplex realized how similar the phrasing was to a key topic in the coronavirus pandemic, the line's translation was changed and they apologized.
  • Fan Nickname:
    • Kaguya's dere side is referred to as "Bakaguya" and her cold side is called "Iceguya" or "Kuuguya". When she's wearing cat ears, she's called "Kagunya".
    • Shirogane is called "Monster Virgin" and "Chadogane".
    • Fujiwara is referred to as "Subject F", "(Mistress) Cuddlebuns", "Cotton Candy 2.0", and "Super High School Level/Ultimate Black Ribbon". Whenever she does something or thinks about something traitorous she's called "Natural Born Traitor". She's also called "Mommy" or "Fujimama" whenever she's teaching Shirogane.
    • Ishigami is called "Our Guy", "mah boy" or "mah man", later also being called "IshiKami"note  and "IshiGod".
    • Maki was called "Stalker-chan" prior to her name being revealed. She also earned the title "Our Girl" after developing a close relationship with Ishigami. Ishigami's nickname for her, "Tsundere-senpai" is also occasionally used. Anime fans sometimes call her "NTR-chan".
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    • Miko Iino is occasionally referred to as "Lino" due to people having mistaken the upper case I in her name for a lower case L (since the fan translations using a sans serif font). People would later embrace it and claim that it was a Portmanteau for "Lewd Iino".
    • Because Touhou Project also has a filthy rich black-haired Kaguya and a long, light-haired Fujiwara, Kaguya and Fujiwara are also known as "Teruyo" and "Mokou".
    • Kashiwagi is known as "Kashiwagi's Boyfriend's Girlfriend", a carryover from when Tsubasa was only known as "Kashiwagi's Boyfriend".
    • Thanks to being voiced by Takehito Koyasu in the anime, Papa Shirogane is called "Papa DIO". Jokes about Shirogane being related to Giorno popped up as well. A Translation Trainwreck of chapter 159 also resulted in him being called "Daddy in the East", while the second season of the anime earned him "Daddy Dio" as a pun on the opening song.
  • Fandom Nod: Kaguya's comment in Chapter 219 about Hayasaka giving her a "lucky charm" in the form of a condom is lifted directly from the hentai doujin "Kaguya-sama's Matchmaking Charm".
  • Inspiration for the Work: According to an interview with Aka Akasaka, the writing of this manga is inspired by School Rumble.
  • Meaningful Release Date:
    • Iino was formally introduced in Episode 4 of Season 2, which aired on May 2, 2020 (just 3 days before her birthday).
    • The following episode (which featured the second adaptation of a "Fujiwara acts motherly to Shirogane" chapter) aired on May 9, 2020, the day before Mother's Day.
    • Episode 10 of Season 2 adapted Chapter 85 (Osaragi's first Day in the Limelight chapter) and came out less than a week before Chapter 192, another Osaragi focus chapter. There's also a major link between those two chapters since the former is filled with foreshadowing towards the reveal in the latter that she's in love with Ishigami.
  • Milestone Celebration:
    • The announcement for the anime came out the same week as Chapter 100note 
    • The live action movie was released the day after Chapter 150 (see above note), which also featured Kaguya saying three little words for the first time.
  • Out of Order: The English dub of Season 2 was simulcast before Season 1’s dub.
  • Playing Against Type: Ko Ogino in the live-action is played by Fumiya Takahashi; aka Aruto Hiden/Kamen Rider Zero-One.
  • Promoted Fanboy: The author for the ero spin-off, Sakayama Shinta, actually drew two hentai doujins based on the series.
  • Real-Life Relative: In the English dub, Ogino and Otomo are voiced by real life husband and wife Matt Shipman and Brittany Lauda.
  • The Red Stapler: Shirogane's "Soran Bushi" dance had gotten quite a few people searching for videos on Youtube for the real life dance routine.
  • Relationship Voice Actor: Believe it or not, Aoi Koga (Kaguya) had a role as a background character in season 2 of One-Punch Man anime adaptation where Makoto Furukawa (Shirogane) is on a starring role as Saitama.
  • Role Reprise: Haruka Fukuhara portrays Tsubame in both the anime and the second live-action movie.
  • Sequel First: The English dub of the anime started with the second season. Season 1 was put on hold for several months due to the COVID-19 pandemic.
  • Sleeper Hit: It's one of the most popular romance manga in the world, having sold over 3.5 million copies before the anime even aired, despite lacking the fanservice and harem elements that most of its contemporaries have.
  • Suspiciously Similar Song: Quite a few songs on the soundtrack seem to have been written as homages or parodies of other famous songs.
    • "Kansetsu Ki......" is a parody of "From The Beginning Until Now" from Winter Sonata.
    • The song "Failure" sounds a lot like "You Spin Me Round (Like a Record)" by Dead or Alive.
    • "Confession" is clearly based off of "Sudden Love Story" by Kazumasa Oda.
    • "Complete Defeat" is basically the theme from The Godfather.
    • "Enzetsu Ha" is a parody of "Holding Out for a Hero" by Bonnie Tyler.
  • Talking to Herself: Aoi Koga and Alexis Tipton also voice the four Kaguyas that represents Kaguya's thought process.
  • Tribute to Fido: The Abe family's pet cat is named after Aka's own cat.
  • Vacation, Dear Boy: Aka Akasaka took a two-week long trip to India to study for Chapter 161. It's even referred to as the greatest "research" expense in the series' history.
  • The Wiki Rule: Kaguya-sama wa Kokurasetai Wiki
  • Working Title: The series was originally going to be published as "IQ" (愛求 Aikyuu lit. Love Seeking / Love Longing) in Japan.

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