Season 1

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  10.0/101 votes

  Confinement

  Season 1 Episode 1 - Aired 9/7/2024

  When Ryoka, a high school girl, wakes up, she is left behind in a sealed-off apartment. A message from her mother tells her that there is a mysterious creature called "X" in the apartment.

  Director: Unknown

  Writer: Unknown

• 

  10.0/101 votes

  Reunion

  Season 1 Episode 2 - Aired 9/14/2024

  When Ryoka hears that her childhood friend Shuhei is also left behind in the apartment, she calls him. What is the ecology of "X" that her mother told Ryoka as she waits for Shuhei to join them?

  Director: Unknown

  Writer: Unknown

• 

  10.0/101 votes

  Brainwashing

  Season 1 Episode 3 - Aired 9/21/2024

  Ryoka and Shuhei manage to escape from "X" just in the nick of time. They try to leave the apartment, but suddenly lose consciousness.

  Director: Unknown

  Writer: Unknown

• 

  10.0/101 votes

  Encounter

  Season 1 Episode 4 - Aired 9/28/2024

  X has good hearing and walks on two legs. Ryoka is perplexed by the fact that X has different characteristics than what she saw in her dream, but first she heads to the fourth floor where Shuhei is waiting to meet up with her.

  Director: Unknown

  Writer: Unknown

• 

  10.0/101 votes

  Resistance

  Season 1 Episode 5 - Aired 10/5/2024

  Thanks to Shuhei's quick thinking, he manages to distract X's consciousness. However, X's pursuit does not stop, and Shuhei is eventually captured by X.

  Director: Unknown

  Writer: Unknown

• 

  10.0/101 votes

  Light

  Season 1 Episode 6 - Aired 10/12/2024

  Ryoka and Shuhei make use of X's blindness and reach the elevator safely. What awaits the two on the 31st floor, which should not exist?

  Director: Unknown

  Writer: Unknown

• 

  N/A/100 votes

  Succession

  Season 1 Episode 7 - Aired 2/22/2025

  Ryoka and Shuhei have reached the 31st floor, which should not exist in the apartment, and cleared level 2. Ryoka and Shuhei were about to go to Level 3 when a strange girl came into Shuhei's room...?

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Signpost

  Season 1 Episode 8 - Aired 3/1/2025

  No description available

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Witch

  Season 1 Episode 9 - Aired 3/8/2025

  No description available

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Foresight

  Season 1 Episode 10 - Aired 3/15/2025

  No description available

  Director: Unknown

  Writer: Unknown

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  N/A/100 votes

  Blank

  Season 1 Episode 11 - Aired 3/22/2025

  No description available

  Director: Unknown

  Writer: Unknown

• 

  N/A/100 votes

  Future

  Season 1 Episode 12 - Aired 3/29/2025

  No description available

  Director: Unknown

  Writer: Unknown