Looking for anime (pre-2021) – people trapped in huge indoor area, each has own small house
Hi, I’m looking for an anime I watched on YouTube before 2021.
What I remember:
* It had a **modern anime style (around 2014–2018)**
* **Small group (about 6–10 people)**, normal humans from the modern world
* They were **trapped**, starting in a **dark room**, trying to escape
* Later they were in a **huge enclosed area / hall**, possibly with a **simulated sun**
* Inside was a **grassy open field**, very few paths
* **Each person had their own small house**, houses facing each other
* There was a **sand area (like a playground)**, rest was grass
* **Day/night cycle**, daytime looked **colorful and almost friendly**
* No school setting, no fantasy world
* Psychological / survival / experiment vibe
* **Very few episodes** (short series or OVA)
* One person was found **dead outside later** (possibly hanging, not 100% sure)
* After everything, survivors may have returned to normal life
I watched it on **YouTube**, possibly a short anime, OVA, or web anime.
Does anyone recognize this?
What I remember:
* It had a **modern anime style (around 2014–2018)**
* **Small group (about 6–10 people)**, normal humans from the modern world
* They were **trapped**, starting in a **dark room**, trying to escape
* Later they were in a **huge enclosed area / hall**, possibly with a **simulated sun**
* Inside was a **grassy open field**, very few paths
* **Each person had their own small house**, houses facing each other
* There was a **sand area (like a playground)**, rest was grass
* **Day/night cycle**, daytime looked **colorful and almost friendly**
* No school setting, no fantasy world
* Psychological / survival / experiment vibe
* **Very few episodes** (short series or OVA)
* One person was found **dead outside later** (possibly hanging, not 100% sure)
* After everything, survivors may have returned to normal life
I watched it on **YouTube**, possibly a short anime, OVA, or web anime.
Does anyone recognize this?
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