Recommendations from Iwamoto-Senpai
Oshimeter
Synopsis
Set against the backdrop of 1910s Japan, the military runs a school, and one of its students, Kodo Iwamoto, has an unusual job: he travels the country investigating reports of supernatural phenomena, scouting people with strange abilities for potential recruitment. It's a premise that sounds straightforward until you see how it actually plays out. Kodo arrives at a village where "black snow" supposedly falls, and meets a boy who's terrified of his own powers, convinced they're some kind of disease. Rather than just tagging him as a recruit and moving on, Kodo connects with him, helps him reframe what he's experiencing, and offers him a recommendation to Seihou Middle School. That dynamic, finding people who are isolated by things they don't understand, and giving them a place to belong, is the emotional core here. Each new location brings a different mystery and a different person shaped by it. The historical setting gives everything a grounded, atmospheric weight that you don't get from most supernatural anime. If you're into the quiet, contemplative investigation vibe of Mushishi but want something with more of a narrative thread, or if you liked the Taisho-era aesthetic of Demon Slayer and want a story that leans harder into that historical texture, this fits nicely. Studio Deen is adapting the seinen manga, so expect a character-driven pace rather than action spectacle. Think less battlefield, more slow unraveling of mysteries in rural Japan with a thread of melancholy running through it.
Episode Guide
MANGA BRIDGE
This season covers Chapters 0-0 of the manga. Continue reading from Chapter 1.

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Kodo crying over the Doku-Otoko record in the library is the scene. A kid realizing this cursed lonely man is basically him. That flashback wrecked me and I was not ready for it
Luri pulling that poor girl up by her hair after the lipstick hits is genuinely nasty work. She had that girl thanking her while she was dying. Cold cold cold
The mirror reflection shot of that silver liquid crawling off her fingers got under my skin more than anything this season. That bathroom stall reveal is going to live in my head rent free
that hollow chest visual got me good the first time and then she just laughed and said it was never real. i got tricked by a poison hallucination same as Kodo did
I could not stop thinking about that library flashback. young Kodo crying over a dissected man he never met. thats the whole show in one scene for me
the spider lily thing. his petals are poison. they turn the whole symbol into something he has to live with. didnt see that coming at all
that hollow chest trick got me the first time not gonna lie. second time he just stares at her like hes bored. thats when you know the guy has seen way worse
I could not stop laughing when they revealed the curse was fake and the chef was just some massive dude who cooks really well. And Fudegishi spent thousands of drawings trying to capture what's inside a building that just serves mackerel stew. Poor guy can't read menus
The British witches are officially the Team Rocket of this show. They show up all dramatic with their thorn spheres and cryptic villain quotes then just vanish. Also Crystal bleeding from watermelon seeds to the face had me actually laughing out loud
Kojiro being recruited because he fires watermelon seeds like a sniper rifle is peak Taisho nonsense. Shibukibara stepping on Crystals face with his bare foot was the highlight though. That man holds grudges and I respect it
The watermelon seed sniper thing is so stupid and I love every second of it. Boy is out here launching fruit at supersonic speeds and calling it artillery. Also crystal getting roses shoved into his face wounds was very satisfying to watch
That Wine Dragon had no business looking that cool. Giant liquid serpent wrapping around a kid calling him raw material for whisky is such an insane threat. Crystal really thinks hes terrifying but the show keeps making him look dumb
So the cursed house was just a restaurant the whole time. The regulars made up the ghost stories to keep people away from their good food. That's genuinely the most relatable thing this show has ever done. Gatekeeping your favorite eatery is a real human instinct
The flashback with young Toboso squeezing into the citrus crate only for the Master to say customers want a handsome man not a child. That stung. Then Hitsugi losing his spot at twenty-five. Two brothers discarded by the same cruel boss and neither of them ever properly dealt with it.
The animation is rough no doubt about it. Some shots barely moved. But you know what I stopped caring about that halfway through because Toboso kneeling in that blood with his dead brother and Iwamoto just standing there giving him space was devastating. The words carried this whole thing.
So Hitsugi was killing people all along and carrying them around in that box. The reveal felt more tragic than shocking honestly. The moment Toboso tried to take the blame and become the Box Man himself broke something in me. Easily the series' best writing.
The Gap Man reveal through the bookshelf sliver was legit creepy. Reminded me of Ju-On. I know people complain about the stiff animation but honestly the static shots make the horror work better. The Box Man design says everything with nothing
That whole backstory with the freak show hit way harder than I expected. Hitsugi carrying that box around with the Master's remains is genuinely haunting. The cherry blossom tree scene where the Master picks Toboso over him broke me a little
The counter strategy against the geisha box man was actually brilliant and catching him with full boxes was hilarious
My favorite part was seeing Iwamoto step into that hot spring and literally make the whole bath explode into boiling flames. He looks thirty years old minimum yet they keep telling us these guys are middle schoolers. The counter trap with the 14 cadets stuffed into every secret crawlspace was top tier tactics though.
Recommendations from Iwamoto-Senpai
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