
The series is based on the manga by Aononachi (Comic Yuri Hime / Ichijinsha), a story depicting the bonds between girls swept up in a cruel fate. At a special school that raises orphaned children as "weapons" for war, an irrational daily life flows on as if normal — a place where one cannot even mourn when a life is lost. Within such a world, the poignant and precious story of two girls who meet there unfolds.
The ending theme "Éternel," which brings the story to a close, vividly colors the struggles and bonds of these fleeting yet beautiful girls and the unique atmosphere of the work. The song is written by sana, composed by Ayaka Fujiwara, and arranged by Atsushi Yuasa.
<Comment from sajou no hana>
"I'm truly happy and feel a deep sense of responsibility to have been entrusted with the ending theme.
In a world that is always side by side with death, where all kinds of emotions take root, I agonized a great deal over what kind of lyrics to write.
In the end, I wanted to portray the preciousness of the time we spend with the people beside us right now, so I titled it 'Éternel,' the French word for <eternity>.
I would be delighted if you came to love the song alongside the fleeting yet beautiful story of these girls!"

"I Want to Love You Until You Die" premieres Tuesday, July 7, 2026, on AT-X, TOKYO MX, WOWOW, and more. The series is directed by Yasushi Tomoda, with series composition and scripts by Jukki Hanada, character design by Kyoko Yufu, and animation production by ROLL2. The cast includes Rie Takahashi as Totsuki Sheena, Rina Hidaka as Kagari Mimi, Asami Seto as Lizzy Seiran, and Yui Ishikawa as Maud Ali.
Girls attend a school that raises orphaned children as weapons for war. Lessons on how to kill, a daily life where one cannot even grieve when someone dies. This is a world where an irrational existence, always side by side with death, is "normal." "Why is everyone so calm about it?" — fourteen-year-old Sheena, unable to accept her circumstances, one night meets a small, blood-covered girl named Mimi. No matter what reality may come, they will live on. This is the story of an innocent wish these girls come to find.
[Ending Theme Information]
Éternel
Artist: sajou no hana
Lyrics: sana / Composition: Ayaka Fujiwara / Arrangement: Atsushi Yuasa
[sajou no hana LIVE TOUR 2026 "VIBRANT"]
sajou no hana's first-ever summer tour, performed with a full band, has been confirmed.
07.03 (Fri) Chiba LOOK
07.07 (Tue) Shin-Yokohama NEW SIDE BEACH!!
07.28 (Tue) Shibuya WWW
Tickets: Lawson Ticket / e+ (https://eplus.jp/sajounohana/) / Ticket Pia
sajou no hana official website: https://sajounohanasana.com/
Official anime website: https://kimishinu-anime.com/
Official anime X: https://x.com/anime_kimishinu
©Aononachi, Ichijinsha / "Kimi Shinu" Production Committee