📝 Highlights & Appeal Light spoilers
01① A story that begins with 'I've come to devour you'
Shiori's shocking opening line kicks off her strange bond with Hinako.
02② A human drama between a girl who wants to die and a mermaid who wants to eat her
The bittersweet dynamic between death-seeking Hinako and Shiori, who protects her while waiting to devour her, is drawn with real care.
03③ Studio Lings' first anime as lead production studio
This marks the first time Studio Lings has served as the lead studio on a TV anime series.
04④ A stellar cast: Reina Ueda, Yui Ishikawa, Ai Fairouz
The three leads are all veteran voice actors known for major heroine roles in other hit series.
05⑤ OP is Yoshino's 'Nie'
The OP theme, 'Nie,' is performed by Yoshino, setting the tone for the show's world.
06⑥ Two alternating character-song EDs
ED1 'Lily' is sung by Reina Ueda (Hinako), while ED2 'Taiyou, Natte Ageyokka?' is sung by Ai Fairouz (Mikko).
07⑦ Based on the manga by Sai Naekawa
The anime adapts Sai Naekawa's manga, known for its beautifully melancholic art.
08⑧ A complete story told across 13 episodes
The full story of Hinako and Shiori was told carefully across 13 episodes, airing October through December 2025.
💡 Key Points & Predictions Some spoilers
The series concluded across 13 episodes in December 2025. The way Hinako and Shiori's promise ultimately resolved has left a lasting impression among viewers.
🧾 Story So Far Contains spoilers
A mermaid named Shiori appears before Hinako, who lives alone by the sea, and declares, 'I've come to devour you.' Hinako's blood and flesh are so delicious they attract countless yokai. Shiori vows to protect her until she's ready — and to eat her herself when that day comes. Through their time together, something in death-seeking Hinako slowly begins to shift.
✅ Recommended Viewing Points
Recommended for fans of beautifully melancholic dark fantasy, and for anyone drawn to delicate stories about the relationships between women.
👀 Trivia & Fun Facts
💫 Unresolved Foreshadowing Contains spoilers
Whether Shiori will really go through with eating Hinako, and how Hinako's wish to die evolves along the way, are the central threads of the story.