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28天半衰期

種別:ゲーム 発売日:2026年8月1日 日本語対応未確認
655円
Steamレビュー レビュー不足または未評価 100.0% 3件

Six interdimensional exchange students. One ammonia spill. Four weeks to find a girlfriend — or marry the childhood friend who can throw a cow. A survivalist biology student's final semester just got a whole lot more complicated.

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[h1]This isn't a lab accident. It's a summoning ritual.[/h1]
[b]Xiao Ming[/b], a senior biology major and self-proclaimed survivalist, thought he was working on an ordinary thesis — babysitting a batch of "classified fungal samples" shipped by his father from Russia. Adjust the temperature. Adjust the humidity. Adjust the pH. Write 200,000 words of observation logs.
Until his childhood friend [b]Hua Jia[/b] burst in with a bag of peaches and kicked over a 5-liter bottle of industrial ammonia —
[b]Six girls walked out of the petri dish.[/b]
They held jade-carved boarding passes and stood on official university documents, introducing themselves as this year's interdimensional exchange students at Wujiang University, numbered 001 to 006.
His older sister — also the university's Academic Affairs Director — adjusted her glasses and handed him a red-stamped A4 form:
[i]"Mom, Dad, and I lied to you for an entire year. Your real thesis starts now."[/i]
[h1]⏳ Four weeks. The clock is ticking.[/h1]
[list]
[*][b]Task 1:[/b] Settle six interdimensional exchange students into student life — dorms, meal cards, socialization, the works.
[*][b]Task 2:[/b] Find a [i]normal human girlfriend[/i] to prove you're qualified to guide them through human society.
[*][b]Task 3:[/b] [b]Don't blow up the lab a second time.[/b]
[/list]
Fail any of the above? Your diploma gets withheld, and you go home to marry Hua Jia — the girl who can kick a cow into the sky.
[h1]👥 Meet the Cast[/h1]
Wujiang University. A top-3 institution. Heavily female-skewed. Over the next four weeks, Xiao Ming will meet:
[list]
[*][b]🍄 Six Interdimensional Exchange Students[/b] — Amanita, Bamboo Fungus, Dry Mushroom, Lingzhi, Matsutake, and Lanmaoa. They used to be mycelium. Now they're enrolled students with IDs.
[*][b]💪 Hua Jia[/b] — Childhood friend. Star athlete. Can carry grown adults like luggage. Officially designated "fiancée candidate" by both families.
[*][b]💻 Tang Maimai[/b] — "PC repair from ¥30, no job too shady" — yet her toolbox costs ¥12,000. Something doesn't add up.
[*][b]📏 Ji Mingxue[/b] — Iron-fisted student council president. Carries the Student Information Disclosure Handbook during dorm inspections.
[*][b]🎨 Li Xinghui[/b] — Art PhD candidate. So elegant every gesture looks like it came from an etiquette textbook.
[*][b]🔬 Yu Qingling[/b] — Lab supervisor PhD. Writes 7-page incident reports accurate to the milliliter.
[*][b]👻 An Ruowei[/b] — Stood at the end of the hallway for 5 minutes. Nobody noticed her.
[*][b]😈 Lilia[/b] — A succubus-themed VTuber who streams... CET-4 English vocabulary. A classmate of yours, somehow.
[/list]
And [b]Older Sister[/b] — the one who knew everything from day one, but kept her own brother in the dark for an entire year, for KPI reasons.
[h1]✨ Features[/h1]
[list]
[*][b]🎙️ Fully Voiced Main Story[/b] — Every line of dialogue in the main route is voice-acted.
[*][b]🎭 Multi-Route Narrative[/b] — Seven independent character routes, each revealing a piece of the bigger mystery.
[*][b]📔 Memo System[/b] — Every observation, every ledger entry Xiao Ming makes is archived in his worn leather notebook.
[*][b]🏛️ Gallery Mode[/b] — Unlock CGs, replay key story moments, collect every encounter.
[*][b]💬 "Survivalist" Inner Monologue[/b] — A protagonist who stays analytically calm amid total chaos. Entertainment guaranteed.
[/list]
[h1]🍑 About the Title[/h1]
[b]28 Days[/b] — the deadline Xiao Ming's sister gave him.
[b]Half-Life[/b] — the decay cycle of the fungal samples.
It's also the average shelf life of dignity, rationality, and survival instinct in this generation of university students.
[h1]💭 You'll love this game if you enjoy:[/h1]
[list]
[*]Daily slice-of-life blended with otherworldly fantasy
[*]A protagonist who actually has a brain (and keeps a ledger)
[*]A cast of women, each with their own secrets
[*]Stories where "dating" is the surface, but science is the core
[*]Clever dialogue that makes you want to screenshot everything
[/list]
Welcome to Wujiang University.
[b]"New classmates, for the next four weeks — please, for the love of all that is holy, don't cause any incidents."[/b]
[h1]💌 Wishlist Now[/h1]
Four weeks from now: Will Xiao Ming graduate? Will Hua Jia's peach tree survive? Where did the six exchange students really come from?
[b]⭐ Add [i]28-Day Half-Life[/i] to your Wishlist[/b] — we'll notify you the moment it launches.
[b]📢 Follow the developer[/b] for weekly dev logs and the occasional unreleased character art.
[i]⚠️ Content Notice: This game contains mild depictions of lab safety incidents, satirical takes on academic bureaucracy, and excessive amounts of peaches.[/i]

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全体レビュー レビュー不足または未評価 好評率 100.00% / 3件 取得:2026年9月5日 19:40

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現在プレイヤー数 0人 最終観測:2026年9月5日 21:19(23日経過)
Steamフォロワー数 12人 最終観測:2026年8月25日 01:48(34日経過)

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指標 現在値 観測状況
現在プレイヤー数 0人 最終観測:2026年9月5日 21:19(23日経過)
24時間ピーク データ蓄積中 履歴あり・更新待ち・直近7日 0件
Steamフォロワー数 12人 最終観測:2026年8月25日 01:48(34日経過)
7日フォロワー増加 2件以上で集計 履歴あり・更新待ち・直近7日 0件

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基本情報

発売日
2026年8月1日
価格
655円
価格区分
有料
開発元
Singularity Studio
販売元
Singularity Studio
対応OS
Windows
コンテンツ種別
ゲーム

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