ROCK PAPER LANDMINE on Prime Video stakes a school roof on rock-paper-scissors with mines

The first prize is a rooftop. In ROCK PAPER LANDMINE, Prime Video‘s new Japanese mystery series, a high-school student named Mato Imoriya agrees to play a game on behalf of her best friend, and what the two girls are fighting for is the right to use the school roof during the festival. Nana Mori plays Mato, Aju Makita plays the friend, Kazahi Koda, and the show is a live-action adaptation of Yugo Aosaki’s novel Jirai Guriko, the book that swept Japan’s mystery prizes. The teaser sums up the pitch in one line: a death game in which nobody dies.

Every contest is built from a game Japanese children already know. Glico is the stair game in which each win at rock-paper-scissors lets a player climb a few steps. Daruma-san ga koronda is the playground freeze game the rest of the world met as Red Light, Green Light. Aosaki’s trick, and now the series’ trick, is to bolt one extra rule onto each of them and let the players’ reasoning do everything else. Producer Akira Morii, who steered Netflix‘s Alice in Borderland, is behind it at the Japanese studio THE SEVEN, with Amazon MGM Studios backing the series.

How do you film someone thinking?

Mind games are hard to put on screen. A novel can stay inside Mato’s head for pages while she counts steps and works out where a mine might be buried; a camera sees two teenagers on a staircase. Going by what the cast has said, the production’s answer is to leave the real world. Makita said that when she first read the script she wondered what a setup that moves “from nonfiction into an imaginary world” would become once it was filmed, and that shooting those imaginary-world scenes was “a feeling unlike anything I had done before.” Mori singles out the “lavish CG shots” and the staging inside the battles as the things only the screen version can offer.

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That is the one decision the adaptation hangs on. The new stills include what the Japanese film site Real Sound described as scenes set in an image space that shows how each game is unfolding: the strategy pulled out of the characters’ heads and given a physical location. When the device works, the audience watches the reasoning happen rather than waiting to have it explained; the risk on the other side is a string of lectures with special effects attached.

The choice of director points to which way the production is leaning. Kazuaki Seki built his name on music videos for Perfume and Sakanaction, work driven by rhythm, graphics and choreography rather than dialogue, before moving into features with Kakukaku Shikajika and Beethoven Forgery. Amazon’s own materials promise that he will show everyday play turning into a life-or-death game in stylish, tense images. Handing a story whose action is mostly arithmetic to a director trained on pop-video tempo reads as a deliberate bet on visual rhythm over talk.

The talking problem

The cast keeps returning to the dialogue. Makita said every role came with long lines explaining and breaking down the games. Oshirō Maeda, who plays the festival committee member who invents the games and referees them, said he was honestly surprised by how much dialogue there was when the part was first offered. This is the built-in tension of the genre: the rules have to be laid out before a trick can land, and every rule explained is a scene in which nobody moves.

One cast member’s promise to viewers says the same thing from the other side. Hiroto Takahashi, who plays a flirtatious student council member watching the battles from the sidelines, told audiences that the difficult games might make their heads spin but that his character “won’t leave you behind.” A stand-in for the lost viewer is the classic fix for that problem, and the line reads like an admission that the series knows exactly where its weak point sits.

Five games, one staircase

The full trailer lays out five contests. Landmine Glico is played on a staircase where stepping on a hidden mine sends a player ten steps back down. Bozu Suijaku crosses bozu mekuri, a card game played with Hyakunin Isshu poetry cards, with the memory game Concentration. Free-Verse Janken lets players fight with special hands added to rock, paper and scissors. Daruma-san ga Kazoeta reworks the freeze game into a contest over step counts and character counts. Four Room Poker adds a rule that forces players to move between four separate rooms. Real Sound reports that the trailer opens with five of the characters gathered at the foot of a shrine’s great stairway.

The stakes climb with the games. Amazon’s synopsis lists them in order: a spot at the school festival, the survival of a club, and finally chips worth 90 million yen. Real Sound adds that the contest, which begins with a fight over festival space, moves beyond the school as the episodes go on.

Who Mato is up against

Amazon describes Mato as someone who looks as if she is thinking about nothing at all, easygoing to the point of carelessness, until there is a contest, when she shows outstanding insight and strategic sense. Koda is the opposite: a fussing worrier who stands by her friend through every risky bet. The opponents are drawn from the school’s power structure. Mizuki Yamashita plays the student council president who rules the school, a role for which she cut more than ten centimetres off her hair for a very short, blue-streaked style. Kentaro Maeda is the poker-faced council officer Mato faces in the very first game, Landmine Glico. Mayu Hotta plays the rival from Mato and Koda’s middle-school days, a rationalist willing to throw out common sense and even ethics to win, whose name alone is enough to freeze Mato’s expression. Guest opponents include Jin Katagiri as the owner of a karuta café and Koki Maeda as a student council officer at an elite school.

The leads arrive with serious credentials. Mori received a supporting-actress honour at the Japan Academy Film Prize for Kokuho and appeared in the live-action 5 Centimeters per Second. Makita drew praise from Hirokazu Kore-eda at ten in his drama Going My Home and went on to appear in several of his films, including Shoplifters. Mori said she had been curious to see how such an unpredictable novel could be turned into images. Seki, for his part, said the production had gathered a cast and crew strong enough to match the impact of the title.

A prize-sweeping novel with no body count

Aosaki’s book is the reason this series exists. Jirai Guriko became the first novel to win the Yamamoto Shugoro Prize, the Honkaku Mystery Award and the Mystery Writers of Japan Award at once, and it topped all four of Japan’s big year-end mystery rankings, Kono Mystery ga Sugoi! among them, for nine honours in total. Its lineage on screen is easy to trace, from Liar Game and Kaiji through the live-action Kakegurui, and on to the death games that made Japanese and Korean thrillers a global export: Alice in Borderland and Squid Game, which turned the same freeze game into a massacre.

ROCK PAPER LANDMINE takes the blood out of that formula and keeps the rules. What sits on the table instead is the texture of Japanese school life: the festival, the club that might be shut down, the friend who asks for a favour. Those are small stakes by the genre’s standards, and they are the whole wager. Death games have always used a corpse as proof that a game matters. This one asks whether a rooftop, a club and a pile of chips can carry the same weight with an audience trained to expect blood.

Frequently asked questions

Is ROCK PAPER LANDMINE based on a book? Yes. It adapts Yugo Aosaki’s mystery novel Jirai Guriko, the first book to win the Yamamoto Shugoro Prize, the Honkaku Mystery Award and the Mystery Writers of Japan Award together.

Who is in the cast? Nana Mori and Aju Makita lead as Mato Imoriya and Kazahi Koda, with Mizuki Yamashita, Mayu Hotta, Kentaro Maeda, Oshirō Maeda and Hiroto Takahashi in the main cast.

Where can I watch it? It is a Prime Original, streaming exclusively on Prime Video worldwide.

Is it a death game with deaths? No. The marketing bills it as a death game in which nobody dies; the stakes are school privileges, a club’s future and gambling chips.

Release date and where to watch

ROCK PAPER LANDMINE streams exclusively on Prime Video from Friday, November 13, 2026, in more than 240 countries and territories, as part of the Prime Video subscription. Directed by Kazuaki Seki from a screenplay by Tatsuro Mishima, Shiori Ueno and Daiki Kobayashi, with music by yuma yamaguchi, the series was planned and produced by THE SEVEN, with Kadokawa Daiei Studio as production company. Its Japanese title is Jirai Guriko.

Cast

Photos: The Movie Database (TMDB)

Tags: Prime Video, Mayu Hotta, Aju Makita, Kazuaki Seki, Nana Mori, ROCK PAPER LANDMINE

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