13 episodes • October 2, 2025 - December 25, 2025

Hinako, a high school student haunted by a troubled past, lives alone in a quiet seaside town, burdened by a constant feeling of drowning. Her monotonous life changes when she is attacked by a monster and rescued by a mysterious mermaid. But the mermaid's protection comes with a chilling condition: she intends to devour Hinako once she has matured into the perfect meal. As an unusual bond develops between predator and prey, Hinako finds herself drawn to the very creature destined to consume her.

13 episodes

1. 

   #1

   A Girl Who Seeks Death Waits for the Sea

   24 min • Oct 2, 2025 (1 year ago)

   While facing profound depression, Hinako finds herself drawn to Shiori, a girl with eyes like the sea.

2. 

   #2

   The Sunlit Beast and the Festival Song

   24 min • Oct 9, 2025 (1 year ago)

   As Shiori integrates into Hinako's class, she finds herself at odds with Hinako's best friend Miko.

3. 

   #3

   The Sea of Hope

   24 min • Oct 16, 2025 (1 year ago)

   After a disastrous festival experience, Hinako tells Shiori about the tragedy in her past.

4. 

   #4

   An Ephemeral Tie

   24 min • Oct 23, 2025 (1 year ago)

   Unexpected revelations happen when Miko stumbles upon Shiori in the middle of a kill.

5. 

   #5

   The Beast of Affection

   24 min • Oct 30, 2025 (1 year ago)

   Miko reveals the truth behind her friendship with Hinako.

6. 

   #6

   The Shape of Affection

   24 min • Nov 6, 2025 (1 year ago)

   Hinako and Shiori work through the aftermath of Miko's revelation.

7. 

   #7

   Kind People

   24 min • Nov 13, 2025 (11 months ago)

   Unsettled by Hinako and Shiori's growing bond, Miko invites Hinako on a trip to help with the basketball team.

8. 

   #8

   The Cause of the Cracks

   24 min • Nov 20, 2025 (11 months ago)

   While accompanying the kindly older Ayame, Hinako faces an unexpected threat.

9. 

   #9

   A Burned-in Prayer

   24 min • Nov 27, 2025 (11 months ago)

   No description available yet.

10. 

    #10

    Said With a Prayer

    24 min • Dec 4, 2025 (11 months ago)

    Shiori reveals to Miko the details of her distant and more recent past.

11. 

    #11

    Cold Morning

    24 min • Dec 11, 2025 (11 months ago)

    As Hinako seems to hit rock bottom, Miko and Shiori struggle to pull her back from the brink.

12. 

    #12

    Beloved Child

    24 min • Dec 18, 2025 (10 months ago)

    Shiori makes a desperate attempt to get her true feelings across to Hinako.

13. 

    #13

    Warmth on the Sea Floor

    24 min • Dec 25, 2025 (10 months ago)

    In the aftermath of Hinako's crisis, the girls feel out their new normal.