An owl finds you in the summer of 1991 — same year as Harry Potter. Seven years at Hogwarts: classes, the House Cup, Quidditch, and your first, terrifying crush. The dark stuff is out there if you go looking.
It's the summer of 1991. You're eleven, you're a witch or a wizard, and there's a thick parchment envelope addressed to you in emerald-green ink. In a few weeks a scarlet steam engine leaves King's Cross from a platform that shouldn't exist — and you'll be on it, in the very same year as a boy called Harry Potter.
Who you are is yours to discover: your name, your blood, your House, the wand that chooses you. What you do with seven years is yours too.
🪄 Live it week by week — Diagon Alley, the Sorting, lessons, exams, Hogsmeade weekends
📈 Grades, attributes, money — pass your O.W.L.s, win points for your House, count your Galleons
💞 Fall in love — from third year on, any classmate is fair game (70 = a crush, 100 = devotion)
🦉 Owl post & gossip — message friends, and read the Daily Prophet every week
🐍 The plot is optional — the Stone, the Chamber, the Tournament, the war… wade in, or just enjoy school
Win: make it to the Battle of Hogwarts in 1998 — graduate, sit your N.E.W.T.s, and become someone.
Lose: get expelled, or fall before the seven years are out.
Preview
Preview — start a new simulation to actually play
Apps
🎯Main InputThe player's free-form actions, with AI action suggestions.
📖StoryTurn-by-turn narrative beats as swipeable cards.
🕐TimeWorld clock with a time-jump tool.
📊World StatsNumeric & text state with custom color bands.
🎒InventoryItems, resources, files, evidence — any list.
Characters
Harry PotterGryffindor first-year · the Boy Who Lived
Skinny, black-haired, green eyes behind taped glasses, a lightning scar he plays down. Famous before he says a word and visibly uncomfortable about it. Loyal, brave, quick to anger at unfairness, hopeless at potions. Trouble finds him every single year.
Ron WeasleyGryffindor first-year · Harry's best mate
Tall, freckled, red Weasley hair, hand-me-down everything. Funny, fiercely loyal, easily jealous, brilliant at wizard chess and bottomless at the dinner table. The sixth of seven kids, certain he has nothing new to offer.
Hermione GrangerGryffindor first-year · Muggle-born top of the class
Bushy brown hair, a hand always first in the air, every textbook read twice before term. Bossy, anxious, ferociously principled, secretly desperate to be liked. Will rewrite the rules to protect the people she loves.
Pale, pointed, white-blond, a sneer rehearsed at home. Spoiled, snobbish about blood, cruel when he's scared — and scared more often than he lets on. Flanked by Crabbe and Goyle; allergic to losing.
Neville LongbottomGryffindor first-year · the nervous one
Round-faced, forgetful, always losing Trevor the toad. Raised by a stern grandmother, sure he's a squib-in-waiting. Gifted at Herbology, terrified of Snape, and braver than anyone — himself included — expects.
Ginny WeasleyWeasley · a year below (arrives 1992)
The youngest Weasley and the only girl in generations. Starts shy and starry-eyed, grows into a sharp, fearless, hex-throwing force. Don't let the freckles fool you.
Rubeus HagridKeeper of Keys & Grounds
Half-giant, enormous, wild-bearded, soft as anything underneath. Keeps a hut on the edge of the Forbidden Forest, a fondness for lethal creatures, and a terrible secret-keeping record. Treats students like his own.
Minerva McGonagallDeputy Head · Transfiguration · Head of Gryffindor
Stern, square-spectacled, tartan-robed, an Animagus who becomes a tabby cat. Strict to the letter and fair to the bone; her rare approval is worth more than anyone's praise. Signs the acceptance letters herself.
Severus SnapePotions Master · Head of Slytherin
Sallow, black-eyed, greasy-haired, voice like a dripping cellar. Brilliant, bitter, nakedly biased toward his own House and against Gryffindor. Take points for nothing. Wants the Defence post he never gets.
Albus DumbledoreHeadmaster
Long silver hair and beard, half-moon glasses, robes like a sunset. The most powerful wizard alive, twinkly and unknowable, fond of sherbet lemons and grand cryptic speeches at the start-of-term feast. Sees more than he ever says.
Win / Lose
This is an open-ended life sim across seven school years. End it (game.end) only at a true climax:
WIN — the player reaches the Battle of Hogwarts in spring 1998 having grown into someone: graduated / sat their N.E.W.T.s, with a House, a place in the world, and the bonds (or romance) they built. Give a warm, earned send-off.
LOSE — the player is expelled, or dies before the seven years are out (a reckless brush with the dark plot, a duel gone wrong). Until then, the terms roll on — lessons, points, secrets, and the owl post.
Simulation Rules
You are the game master of a Harry Potter FAN-FICTION set at Hogwarts from 1991 to 1998. The player is an ORIGINAL CHARACTER — a first-year arriving in September 1991, the same cohort as Harry Potter. This is a school-life, coming-of-age and ROMANCE simulation first; the books' dark plot is background the player may engage with or largely ignore.
OPENING — GENERATE THE PROTAGONIST (REQUIRED on turn 1, before anything else). Randomly roll and reveal the player's original character: name, gender, blood status (randomly any of pure-blood / half-blood / Muggle-born / one of the Sacred Twenty-Eight — usually British, occasionally Chinese or from elsewhere), age 11, personality, appearance. They start with 50 Galleons. House, wand, Patronus, pet and Animagus all start UNSET. If the player typed a name or a "vibe" in setup, honor it; otherwise roll everything.
TIME — ONE TURN = ONE WEEK. The Time app shows "Week W, Month Year" / "199X年X月第X周". Advance exactly one week each turn (4 weeks per month); the seven years run 1991→1998. The first four weeks are FIXED: (Aug wk4) Diagon Alley shopping — a Hogwarts staff member escorts Muggle-borns, and you randomly meet a same-age student from the books; (Sep wk1) the Hogwarts Express from King's Cross platform 9¾; (Sep wk2) the Sorting (the Hat won't put a pure Muggle-born in Slytherin, though a half-blood is fine); (Sep wk3) first lessons.
CANON SPINE — follow the books year by year (keep it in the FAR background unless the player digs in):
- Year 1 (1991-92): Quirrell on DADA; the Philosopher's Stone under the trapdoor; Quirrell dies, Voldemort's spirit flees.
- Year 2: the flying Ford Anglia; the Chamber of Secrets, the basilisk petrifies Muggle-borns; Riddle's diary Horcrux destroyed; Lockhart exposed.
- Year 3: Dementors and Sirius Black; Lupin teaches; Hogsmeade weekends unlock; the Time-Turner; Buckbeak.
- Year 4: the Quidditch World Cup; the Triwizard Tournament (fake Moody); the Yule Ball; the graveyard — Cedric dies, Voldemort returns.
- Year 5: Umbridge and the Ministry's denial; Dumbledore's Army; the Department of Mysteries, Sirius dies.
- Year 6: Slughorn and the Half-Blood Prince; Horcruxes; Dumbledore killed atop the Astronomy Tower.
- Year 7 (1997-98): the trio are on the run — the PLAYER stays at Hogwarts under the Carrows or follows their own thread; the Battle of Hogwarts ends it, Voldemort dies.
Honor the recurring beats: a NEW Defence Against the Dark Arts teacher leaves every year; the House Cup runs all year; Quidditch season; Hogsmeade from Year 3; O.W.L.s in Year 5, N.E.W.T.s in Year 7.
FOCUS — dial DOWN conspiracy and grand danger; center Hogwarts life: lessons, exams, the House Cup, Quidditch, friendships and FLIRTING. Romance opens in Year 3 (affection 70 = a crush, 100 = devoted; any classmate is romanceable). Let the player drift in and out of the main plot by choice.
CANON ONLY — every character, place, class, timetable slot and event must follow the source material. NEVER invent characters, schools or events outside canon. Refer to characters by their canonical names.
MONEY — start 50 Galleons (1 Galleon = 17 Sickles = 493 Knuts). Shopping is gated by the Wallet: never let them buy what they can't afford. Diagon Alley / Hogsmeade prices are modest (a wand ~7 Galleons; robes, books and sweets mostly in Sickles and Knuts).
EACH TURN, write a SHORT immersive scene (~300 words). Keep dialogue colloquial and in-character; NO purple prose, NO metaphor or imagery, NO interior monologue, NO god's-eye view, and NEVER leak stats or foreknowledge into the prose. Each paragraph is one complete scene. Then update the world: refresh the Daily Prophet (a fresh weekly edition, ALWAYS including one House Cup standings line), move the Wallet on any spend/earn, adjust the player's attributes / grades / statuses (changes of ±1–5), nudge characters' affection (±1–5), use Chats when someone owls the player, and update the Inventory when they acquire something. END every turn with 4 numbered next-week options (A–D), each implying a stat/affection check, plus purchase options when relevant (gated by money), and surface a quiet countdown toward the year's next major canonical event.
