回聲之屋：不請自來的室友 / The Echo Chamber: The Uninvited Roommate

最可怕的不是孤單，而是你以為你孤單的時候。 / The most terrifying thing isn't being alone; it's thinking you are when you aren't.

Category	Psychological & Urban Horror / 心理與都市恐怖
Origin	Inspired by 'Phrogging' urban legends (secretly living in others' homes) / 靈感源自於「Phrogging」都市傳說（秘密潛入他人家中居住）
ScareLevel	5
Warning	Unexpected movements of household objects, unexplained scents of old fabric, and a feeling of being watched in your own bedroom. / 家中物品位置被微調、不明的陳舊布料氣味，以及在臥室中被凝視的感覺。

序幕 / The Prologue

林曉是一名典型的都市白領，住在市中心的一間現代公寓裡。這裡的一切都符合她的審美：極簡主義的灰色調、智能家居設備，以及一種絕對的安靜。然而，在最近的一個月裡，這種安靜開始變得令人不安。她總覺得家裡的空氣中多了一種不屬於她的氣味——一種混合了汗水與陳舊灰塵的酸澀味，儘管她每天都勤奮地打掃。最初，她將其歸結為水管老化或鄰居的影響，直到她發現，她放在床頭櫃上的水杯，位置每天都會偏移幾公分。

Lin Xiao was a typical urban white-collar worker, living in a modern apartment in the city center. Everything here matched her aesthetic: minimalist grey tones, smart home devices, and an absolute silence. However, over the past month, this silence began to feel unsettling. She constantly sensed a scent in the air that didn't belong to her—a sour smell mixing sweat and old dust, despite her daily meticulous cleaning. At first, she attributed it to aging pipes or the neighbors, until she noticed that the water glass she left on her nightstand shifted a few centimeters every single day.

恐懼核心 / The Core Terror

恐懼是從微小的違和感開始積累的。林曉發現，她的牙膏被擠壓的程度與她的使用量不符；她買的十片吐司，在第三天時莫名其妙地少了一片。她開始檢查所有的門窗，鎖扣完好，監視器也沒有記錄下任何入侵者進入大門的畫面。她陷入了一種自我懷疑的焦慮中，甚至開始記錄自己的作息，擔心自己是否患上了某種睡眠障於症。

Fear accumulates from tiny inconsistencies. Lin Xiao discovered that the toothpaste was squeezed more than her usage warranted; one slice of the ten pieces of toast she bought mysteriously vanished by the third day. She began checking all doors and windows—the locks were intact, and the surveillance cameras showed no intruders entering the main door. She fell into a state of self-doubting anxiety, even recording her own routine, fearing she might be suffering from some form of sleep disorder.

直到那個雨夜。林曉在客廳閱讀，突然聽到天花板上方傳來一聲極其輕微的「咯吱」聲，像是有人在木地板上緩慢地挪動身體。她屏住呼吸，時間在這一刻凝固。在那種死寂中，她聽到了一個聲音——一個微弱的、幾乎不可察覺的呼吸聲，就落在她的正上方。她猛然想起，她的公寓頂部有一個狹小的裝修夾層，用來隱藏電線和水管，入口是一個隱蔽的天花板蓋板。

It all came to a head on a rainy night. While reading in the living room, Lin Xiao suddenly heard a very faint 'creak' from above the ceiling, like someone slowly shifting their body on a wooden floor. She held her breath; time froze in that moment. In that dead silence, she heard a sound—a weak, almost imperceptible breath, coming from directly above her. She suddenly remembered that her apartment had a small maintenance crawl space used to hide wires and pipes, with an entrance consisting of a concealed ceiling hatch.

她拿著手電筒，心臟劇烈地跳動，將梯子搬到客廳中央。當她顫抖著將那個蓋板推開時，一股濃烈的惡臭撲面而來。手電筒的光束照進了那個狹窄、陰暗的空間。在那裡，她看見了簡陋的墊子、幾個空的快餐盒，以及一件她失蹤已久、原本掛在浴室的浴袍。而在那個空間的最深處，一雙渾濁的眼睛正死死地盯著她。那是一個男人，皮膚蒼白得近乎透明，身形因為長期蜷縮而顯得扭曲。他沒有尖叫，也沒有攻擊，只是用一種極其緩慢且僵硬的動作，對著她露出了一個扭曲的微笑。

Holding a flashlight, her heart hammering against her ribs, she moved the ladder to the center of the living room. As she tremblingly pushed open the hatch, a pungent stench hit her. The beam of the flashlight pierced the narrow, dark space. There, she saw a crude mat, several empty takeout containers, and a bathrobe that had gone missing from her bathroom long ago. And in the deepest part of that space, a pair of cloudy eyes were staring intently at her. It was a man, his skin so pale it was nearly translucent, his body distorted from prolonged crouching. He didn't scream, nor did he attack; he simply, with an extremely slow and stiff motion, flashed her a twisted smile.

林曉在極度的恐懼中後退，跌落在地，瘋狂地撥打警報。當警察將那個人帶走時，他們在夾層中發現了一個筆記本。上面詳細記錄了林曉過去三個月的每一分每一秒：她幾點起床、洗澡的時間、她與誰通電話、以及她每晚熄燈後的呼吸頻率。最令她崩潰的是最後一頁的紀錄——『今晚，她發現我了。但沒關係，我已經知道了她備用鑰匙的位置。』

In a state of sheer terror, Lin Xiao recoiled, falling to the floor and frantically dialing emergency services. When the police led the man away, they found a notebook in the crawl space. It detailed every minute and second of Lin Xiao's past three months: what time she woke up, her shower schedule, who she spoke to on the phone, and the frequency of her breathing after she turned off the lights each night. The most soul-crushing part was the final page's entry: 'Tonight, she found me. But it's okay, I already know where she keeps the spare key.'

都市傳說背景 / Urban Legend Trivia

這個故事基於現實中被稱為「Phrogging」（像青蛙一樣跳進他人家）的都市傳說。在許多大城市中，確實發生過陌生人利用閣樓、地下室或衣櫃等死角，在屋主不覺的情況下秘密居住數月甚至數年的案例。警告徵兆通常包括：食物莫名減少、家中物品位置微調、以及在空無一人的房間裡感覺到被凝視。如果你感覺家中有「不協調感」，請務必檢查所有隱蔽空間。

This story is based on the urban legend known as 'Phrogging' (like a frog jumping into someone's home). In many large cities, there have been real cases where strangers used attics, basements, or closet corners to live secretly for months or even years without the homeowner's knowledge. Warning signs usually include: food mysteriously disappearing, household items being slightly shifted, and the feeling of being watched in an empty room. If you feel a sense of 'disharmony' in your home, please be sure to check all hidden spaces.

Don't look behind you. | 不要回頭看。

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