The Spring 2026 anime season was packed with standout titles, from hotly anticipated sequels to buzzy new adaptations. But for this writer, the most memorable shows were the ones that completely upended expectations — the kind that make you think, “So that’s how they played it!” Here are three series that delivered shock, awe, and unforgettable twists.
Nihon Sangoku: A Razor-Sharp Vision That Keeps You Guessing
Among all the Spring 2026 offerings, Nihon Sangoku was the one that made me exclaim “So that’s how they played it!” every single week.
The story is set in a Japan where civilization has regressed to early Meiji-era levels after world wars, pandemics, and natural disasters. On paper, it sounds far-fetched, but once you watch, its unique worldbuilding pulls you right in.
The current Fukui Prefectural Office appears as “Reihoku Castle,” scrapped cars are used in battle strategies, and internet slang like “ma?” and “kusa” pops up in dialogue. This blend of historical setting with modern culture and values felt fresh and exciting.
The real highlight is the strategic warfare. Protagonist Aoki Seiki’s rhetoric and the schemes of Kaku Taiaki constantly go in unexpected directions. The chain from the “Edict of Retreat” to destroy the Seii, to the final episode’s “Oda’s Scrap Car Ambush” left me stunned.
The production design also deserves praise. Sound effects like horse hooves and wind are deliberately rendered as on-screen text, showing respect for the original manga. The soundtrack choices are equally bold: a lighthearted tune plays during a coup in Seii, a mellow Western song accompanies the final battle, and the battle at Kuzuryu Castle in episode 6 incorporates the traditional festival music of Fukui’s Katsuyama Sagichou Matsuri. It’s unlike anything I’ve experienced before.
This series is sharp and polarizing — it won’t be for everyone. But since the anime began airing, the original manga’s cumulative circulation has more than doubled to over 2 million copies, and it ranked No.1 in domestic viewership for new anime series on Prime Video in April 2026. Social media floods with comments like “too interesting,” “ends in seconds,” and “god-tier episode.” Clearly, many viewers have had their hearts captured by Nihon Sangoku and its constant stream of surprises.
Akane Banashi: A Soulful Performance That Commands Respect
In a different way, Akane Banashi also made me think “So that’s how they played it!” — especially the sequence where Akane performs “Juugoya” at the Karaku Cup.
To speak with her father’s disgraced rival, Arakawa Issei, she absolutely must win. After a preliminary round where she wows the audience with rapid-fire delivery, she slows down in the finals, drawing everyone into the world of the story. Judge Arakawa Ikken comments that the contest has shifted from a competition of technique to a place to enjoy the storytelling. I myself forgot I was watching an anime and simply listened. She wins not with a flashy new piece or by forcing tears, but with the professional skill of making the story itself enjoyable. That was the moment I thought, “So that’s how they played it!”
Before this anime, I had only a passing interest in rakugo, but I was completely drawn in. Though the subject is rakugo, it has a sports-like spirit as protagonist Akane competes with rivals and grows, which made my heart race.
Every performance in the show was captivating, and the immersive quality came from the stellar voice acting. From Shinta’s stage in episode 1, the cast masterfully switches between multiple roles in rakugo.
Most impressive was Anna Nagase, who voices Akane. Not only does she handle role-switching and rapid-fire delivery, but the sound of eating in one scene left a strong impression.
Kiriou Fan Club: A Shocking Truth That Flips Everything
Personally, the Spring 2026 anime that blew my mind the most with its “So that’s how they played it!” moment was Kiriou Fan Club.
Honestly, I wasn’t hooked at first. Aimi and Nami are obsessed with their classmate Kiriou, but their fandom is over the top. The comedy is surreal, the punchlines go sideways, and then there’s a song called “Tears Lick Lick Song” with lyrics about Kiriou’s favorite organs. I was confused, thinking, “What am I watching?” While each week had a “So that’s how they played it!” moment, it was more bewilderment than admiration. I considered dropping it if it kept up for 12 episodes.
But from the end of episode 2, I started feeling uneasy. When they talk about how they came to like Kiriou, Nami mutters, “Why did I tell Aimi-chan the truth?” and Aimi says, “Why did I lie to Nami?” That ominous ending made me wonder: “Do they really just like Kiriou?”
As the series progressed, the impression of a “surreal gag anime” was completely overturned. Kiriou is portrayed as cool and quiet, but that’s because he stopped laughing after a friend’s death. His true self is just an elementary school boy with a dream of floating poop in the bathtub. Aimi, who was almost obsessively devoted to Kiriou, actually knew his past and was chasing him to restore the smile she once fell in love with.
And the biggest shock was Nami. I thought she had special feelings for Kiriou like Aimi, but after being confessed to by Kiriou’s friend Momose, a completely different emotion emerged. Nami’s true feelings were for Aimi, not Kiriou. When I realized that, I blurted out, “Wait, that’s it?!”
Looking back, every surreal conversation and odd action had meaning. What I thought was just a gag anime turned out to be a delicate human drama. I was left in a daze, thinking, “They got me.”
After the final episode, Kiriou Fan Club became an unforgettable work. The interactions I couldn’t get into at first now look completely different. If anyone dropped it early, I urge you to watch until the end.
《堀めぐみ》
