Mythology Gag / Fate/Reach Out

• After Daisuke and Kou tried to convince Shirou to join one of their sport clubs, Yosuke mentioned that they attempted to do same with him last Valentine's Day with the promise that the training would make him more resistant to the cold. Said event is told in detail in the Spin-Off Prequel manga Persona 4: The Magician.
• There is one to both series in chapter 13. As in both Persona 4 anime adaptations, the first time Izanagi is fully summoned by his user, the latter has visions of the Velvet Room and its residents. Here, Shirou also sees "a glowing sheath surrounded in darkness, and a girl standing in an open green meadow".
• The Badass Bystander in Chapter 22 basically performed a Cavalry Attack right out of The Golden to thwart a robbery.
• The scene from the Visual Novel where Shirou tries to smack Taiga with a rolled-up paper poster as a joke happens in this story, but with a different outcome. In the original material, Taiga, a very accomplished Kendo practitioner, easily dodges and strikes back with her own rolled-up poster before realizing hers was made of metal. Thanks to his battle experience in the TV World, this time Shirou managed to use the momentum of his attack to roll forward and avoid her counter, making her hit something else: Ryotaro's head, knocking him out cold.
• Shirou, Taiga, Ryotaro and Nanako visit Verde Shopping Mall in Fuyuki, a location available in Fate/hollow ataraxia. On the other side of the Crossover, they went to a toy store there and buy a stuffed platypus and an electronic hand-mirror from "Magical Detective Loveline" for Nanako, just like the one she had in the anime.
• Taiga runs into a tree and wakes up in what is implied to be her mindscape. It just so happens that her mindscape is the Tiger Dojo. Shadow Taiga is there, and design-wise she is basically Tiger Dojo Taiga's Evil Counterpart.
• Shirou drops the line "you lost me" from time to time.
• In Persona 4: The Animation, if Yosuke or the protagonist act in a way that can be taken as perverted, usually only the former gets into trouble for it because the girls don't find it creepy when Yu does it. Here the same happens with Shirou as the lead because he's just that much of a Chivalrous Clueless Chick-Magnet.
• The fox from the shrine is now actually given a name, courtesy of Teddie — "Tama", which means ball/jewel and therefore implying that it's supposed to be written with the kanji "玉". She responds very positively to this name. Readers have already noticed that it's the same character as in Tamamo no Mae's name. And there's speculation that this is not an in-universe coincidence nor just a Shout-Out. ^note This doesn't necessarily mean Tamamo herself, she might instead be one of the other nine members of the Tamamo Nine, aside from Tamamo Cat, who was introduced in Fate/Grand Order as a Berserker, and obviously does not fit Tama's personality.
  • Similarly, in Chapter 54 Marie nicknames the fox "Mamo", much to the fox's surprise.
• Shirou gets a job at MOEL. Dummied Out data from the game confirms that working at the gas station was indeed a part-time option before getting scrapped.
• Shirou once hotly complained that "his life is not a harem show", which amusingly is very much the case for Fate/hollow ataraxia and lots and lots of fan-produced works. Even in the original visual novel he has at least some Ship Tease with pretty much every named female character he interacts with more than once.
• Shortly after Yukiko's rescue, the Investigation Team goes into the TV World while their leader is somewhere else. This exact premise is used in the Tie-In Novel Persona 4: Kiri no Amnesia.
• Shadow Rise compares herself to Yuko Osada, an important Posthumous Character in that game's backstory who was Driven to Suicide following her Creator Breakdown, when "Risette" decides to pull off a Taking You with Me on the Investigation Team.
• When Shirou headshots Shadow Rise, he mutters "ateru" as his Bond One-Liner. This is a term from Japanese archery used by fellow member of a kyudo school club Yukari Takeba when she fires an arrow in the Japanese version of Persona 3.
• One of the very first things Ayako thought of at the prospect of hanging out at Shirou's house is rummaging through his room to find out what kind of porn he reads, which is exactly what Rin (and a not-entirely-reluctant Saber) did in Fate/hollow ataraxia.
• Yosuke privately calls Shirou "possible eroge protagonist in another life", which is exactly what he was in the original release of Fate/stay night.
• Shirou can fuse Personas on his own just like Yu Narukami in Persona 4: The Animation. It's a learning process, though.
• Satsuki Yumizuka resorted to hypnosis to convince local people she was family so they'd let her stay with them without raising anyone's suspicion. This is exactly what Waver Velvet did in Fate/Zero to remain under other Masters' radar in the Fourth Holy Grail War.
• Marie thought that Shirou's name was written with the kanji for "Fourth" and "Son" (四郎). She's confusing him with a different Shirou.
• Marie misremembers the names of police detectives Dojima and Adachi as Niijima and Akechi.
• Shirou comments that he's got experience giving massages, but he's rusty at it. This a reference to a couple of scenes in Fate/hollow ataraxia where is mentioned that he used to give Taiga massages when she still practiced kendo or as a result of losing a bet against her, but they stopped doing because it got awkward once he got older.
• Yosuke countering Nice Guy's Heat Riser with his Dekaja and vice versa. Given that Yosuke is the only party member other than the protagonist that learns the Dekaja spell, this is something that frequently happens in the Boss Fight against Shadow Kanji for exactly the reasons Shirou states: Shadow Kanji is dangerous when his stats are buffed and Yosuke's constantly dispelling the buffs keeps Nice Guy too busy to do anything else.
• Kagutsuchi's abrupt possession of Shirou near the end of the Boss Fight with Shadow Kanji isn't the first time a Persona's taken control of the user invoking it. Given his level of strength compared to Kagutsuchi's own, his will being overwritten by the latter was a natural result of such a bold stunt.
• A Call-Forward to the events of Persona 5 is dropped when Shadow Teddie calls Moon Voidania as a "Palace", capital letter included.
  • Later, Satsuki says that if she hadn't killed Mitsuo first after he rejects his Shadow to the point that it vanishes, he would have been awaiting a mental shutdown.

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