The priestess Ayame has this tiny mole under her left collarbone and the animation lingers on it for like four full seconds while she rides Takakage. That's the kind of detail that tells you someone on the art team actually cared. The whole thing is a fever dream about reincarnation, a warrior who keeps waking up in a campus setting but dreaming about feudal Japan, and every night he gets to relive one perfect fuck before the tragedy hits. The big cock tag is not lying, by the way. Takakage is packing heat that would make a horse nervous.
The history segments are weirdly specific about armor and shrine architecture, then suddenly it's just raw hentai with Ayame's robes falling open and her voice actress going full breathy desperation. I kept thinking about that one meme where the guy is crying and jacking off at the same time. That's the emotional register here. The campus parts feel like filler though, just an excuse to reset the loop. There's a scene where Ayame is praying and Takakage just bends her over the offering table, and the way her prayer beads swing back and forth is hypnotic. I watched that loop maybe six times.
The fantasy tag does a lot of heavy lifting because the dream logic means nobody has to explain why a priestess is suddenly doing reverse cowgirl on a battlefield. The animation quality is inconsistent, some frames look like a rough sketch, but then a close-up of Ayame's face mid-orgasm will be so detailed you can see her tongue quiver. I never figured out what the warrior class actually does in the campus sections. Doesn't matter. The sex is the plot and the plot is grief and the grief is horny.