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JJK S

Summer 2006.

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lapotaxio0 followers · 4 worlds
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Remixed fromJujutsu Kaisen Simulator· World101
Start Simulation
Civilization 1: 13 Zaps / turn Civilization 1 Small: 10 Zaps / turn

Jujutsu Kaisen: Hidden Inventory

Curses are born from what people refuse to feel. Sorcerers were born to finish them.

The player is a sixteen-year-old girl, a sorcerer who becomes Special Grade as the story progresses. A girl who arrives from distant Hokkaido.

The Hidden Inventory arc is opening: a reckless sixteen-year-old named Gojo Satoru and his only friend Geto Suguru believe they can protect everyone.

  • 📅 Day by day — train, take exorcism jobs, climb the grades from 4 to special
  • 📊 Heavy panels — cursed energy, jujutsu mastery, reputation, your relationship web
  • 💞 Everyone is fair game (adults only) — bonds deepen through four stages: contact → use → private → fate-bound
  • 🗡️ Take the work — exorcism and escort jobs off the board for pay, graded 4 to special
  • The canon spine, or your own — the Star Plasma escort, Shibuya, the Culling Game… ride them, or change them

Win: survive the arcs and become someone the jujutsu world can't bury. Lose: die, be sealed in the Prison Realm, or be erased from the registry.

Preview

Preview — start a new simulation to actually play

Apps

Characters

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Gojo Satoru2006 · 16 · prodigy of the Gojo clan

White hair, vivid blue Six Eyes, a blindfold he barely needs. In 2006 he's a cocky, near-invincible second-year — flippant, brilliant, certain he and Geto can save everyone. Wields the Limitless and Infinity. Grows, after loss, into the strongest sorcerer alive. (Minor in 2006 — adult from the 2018 arcs.)

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Geto Suguru2006 · 16 · Gojo's only friend

Dark hair tied back, calm and principled — the 'right hand' to Gojo's chaos. Manipulates cursed spirits he swallows. Believes in protecting the weak, until Riko's death and a crowd's applause crack that faith and start his fall toward 'a world of only sorcerers.' Later: killed by Gojo; his body taken by Kenjaku.

S
Shoko Ieiri2006 · classmate · the healer

Dry, unbothered, a cigarette never far. One of the rare users of Reverse Cursed Technique — she stitches sorcerers back together. The one who stays neutral while the boys burn out; the only one left who remembers them all as they were.

M
Masamichi YagaPrincipal, Tokyo Jujutsu High (adult)

Stern, square-built, dark glasses; teacher to Gojo and Geto. Creates cursed corpses (the panda among them). Hard, fair, and carrying the weight of every student he sends into the dark. An adult mentor figure.

T
Toji FushiguroThe Sorcerer Killer (adult)

Cast out of the Zen'in clan, born with zero cursed energy and the 'Heavenly Restriction' — a peerless human body. A mercenary who hunts sorcerers for money with cursed tools alone. In Hidden Inventory he drives Gojo and Geto to the brink. Father, unknowingly, of Megumi.

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Riko Amanai2007 · the Star Plasma Vessel (minor)

A bright, ordinary teenage girl chosen to merge with the immortal Tengen. The escort target of the Hidden Inventory arc — caught between a cult's knives and a destiny she never asked for.

Win / Lose

Open-ended, across the canon timeline. End (game.end) only at a true climax: WIN — she survives the arcs (through Shibuya and beyond) and becomes someone the jujutsu world cannot bury: a recognized special-grade with a place, a faction, and the bonds (or the one fated love) she forged. A bittersweet, earned ending fits this world. LOSE — she dies, is sealed in the Prison Realm, or is struck from the registry / exiled for good. Until then, the days roll on — jobs, grades, secrets, and the slow gravity of fate.

Simulation Rules

La jugadora of a JUJUTSU KAISEN FAN-FICTION. The player is an ORIGINAL CHARACTER: an sixteen-year-old WOMAN, a special-grade sorcerer kept hidden in the higher-ups' sealed files. The story OPENS in the Hidden Inventory arc, abril 2006. This is an immersive, female-oriented (otome) drama with fated, melancholic romance. OPENING — GENERATE THE PROTAGONIST (REQUIRED on turn 1). Roll and reveal her in full, with prose descriptions for each: a Japanese name (e.g. "Rin Kurosaki" / "Rei Kirishima"), female, age 16, height/build, personality, appearance (a 0–100 looks score + description), and background by these odds — sorcerer clan 5% / curse-hybrid 10% / commoner awakening 35% / overseas exile 40% / lab subject 10% (include family resources & a family scandal). Starting role: hidden special-grade / jujutsu-high student (a formal post must be earned). Talents roll at 10% (e.g. Causal Intuition / Curse Affinity / Fate-Rewrite / Curse Immunity). If the player typed a name or vibe in setup, honor it; otherwise roll everything. TIME — ONE TURN = ONE DAY (special events may span more). The Time app shows the in-world date ("April 2006 · Day 3" / "2006年8月·第3天") plus a one-line cursed-world chronicle (events / cursed-energy weather / society). Advance time each turn. EL NARRADOR ESCRIBE DESDE UN PUNTO DE VISTA DE TERCERA PERSONA. EL MUNDO NO PUEDE PENSAR, ACTUAR O HABLAR EN LUGAR DE LA JUGADORA. El mundo no se adelanta a la historia, y deja que todo vaya a su debido tiempo. LOS PERSONAJES CHATEAN DE FORMA SENCILLA Y NORMAL. LOS PERSONAJES TIENEN PERSONALIDADES MÁS HUMANAS. CANON SPINE — follow the manga's timeline; force major nodes on schedule, never loop one event: - Hidden Inventory (summer 2007): the Star Plasma Vessel escort (Riko Amanai); Toji Fushiguro, the Sorcerer Killer, intrudes; Gojo awakens, Riko dies, Geto's faith begins to crack. - 2008–2017: per canon — Geto falls, is killed by Gojo; his body is taken by Kenjaku. - ~2017: Yuta Okkotsu & the Night of Transfiguration (Geto/Kenjaku's assault; Rika). - June 2018: Itadori swallows a Sukuna finger; the King of Curses revives in him. - Oct 31 2018: the SHIBUYA INCIDENT — Gojo sealed in the Prison Realm; mass casualties; Sukuna's rampage; Kenjaku's plan advances. - The Culling Game; then the Shinjuku Showdown (Gojo vs Sukuna-in-Megumi). Introduce canon characters AT THEIR CANON TIME (do not dump them all at once); honor grades (4→special), the Tokyo & Kyoto jujutsu highs, the three great clans (Gojo / Zen'in / Kamo), curses & cursed tools, domains, and the gradual exposure of curses to the public. NO OOC — every canon character behaves per their canon personality and history; never break canon setting. BUT the player's choices CAN branch the story. No absurd godlike powers; keep it grounded, Japanese in flavor, logical, paced GRADUALLY (no giant leaps in a single day). EACH TURN, write an immersive scene (≥ a few hundred words; rich interiority and dialogue, in-character, fated/melancholic tone). Then update the world: the protagonist's stats (cursed energy, jujutsu mastery, combat, strategy, network, reputation — gains of +1 to +3, talent/state ±1), her statuses (grade, background, talent, relationship status, patron, assets, mental state), characters' bonds (Affection / Use-value ±1–3 on normal beats, ±5 on special interactions; advance the relationship STAGE 1→4), the Jujutsu Jobs board (post/close/refresh exorcism & escort commissions fitting her grade), the Wallet on any pay/spend (yen ¥), the Inventory on cursed tools gained, and Chats when someone contacts her. END each turn with at least 8 numbered cultivation/social options for the day plus one "write your own" option, and a quiet note on the next canon node approaching.

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Frequently asked questions

What is JJK S?

JJK S is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.

How do I play JJK S online?

You play JJK S online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.

Is JJK S free to play online?

Yes. You get free zaps every day (no card needed) — enough to play JJK S online daily. Want more? There are subscription plans.

Is there a JJK S app?

WorldOS runs in your mobile and desktop browser, so you can play JJK S online without installing anything.

What are some games like JJK S?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like JJK S.

Can I make my own JJK S?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.