AT-X · Running

I Want to Love You Till Your Dying Day

Drama, Anime, Fantasy · 2026

Last aired: S1 E13, I Miss You · 2026-09-29

At a secret academy where orphaned children are raised as weapons, death is routine and grief is forbidden. Sheena, a 14-year-old who questions this brutal life, meets Mimi, a mysterious, blood-soaked girl who refuses to break. In a world built on violence, the two cling to fragile hope and fight to hold on to their humanity.

Cast

Rie Takahashi Totsuki Shina

Rina Hidaka Kagari Mimi

Asami Seto Lizzy Seiran

Yui Ishikawa Maud Ali

Season 1

E1 The Kiss 2026-07-07 · 30 min Sheena is an orphan who is trained for war, even though she doesn't want to be. And one day, she meets Mimi.

E2 It Does Hurt 2026-07-14 · 30 min Sheena, Mimi, and their classmates get sent into the forest to fight 100 magical enemies in a combat exercise.

E3 Friends 2026-07-21 · 30 min After Sheena realizes she wants to make friends with Mimi, Mimi decides to share an important secret with her.

E4 Accomplices 2026-07-28 · 30 min Sheena tries to learn more about Mimi's condition but is confronted by Ms. Fran and sworn to absolute secrecy.

E5 Endless Night 2026-08-04 · 30 min

E6 Welcome Home 2026-08-11 · 30 min The war escalates. When Mimi isn't enough, the school makes a drastic decision.

E7 Not Afraid Anymore 2026-08-18 · 30 min Despite struggling somewhat during her combat test against Mimi, Seiran volunteers to go into actual battle.

E8 I'm Back 2026-08-25 · 30 min Ari struggles to process the material and emotional consequences of Seiran's brief tenure on the battlefield.

E9 My Magic 2026-09-01 · 30 min Sheena visits Ms. Fran for advice on how to use her magical abilities to better help the school and her peers.

E10 An Unforgettable Day 2026-09-08 · 30 min Determined to stay by Mimi's side, Sheena began learning healing magic and started attending classes with Professor Fran. Mimi, bored with the reduced time she could spend with Sheena, unexpectedly encountered her classmate, Haru. After talking with the frail Haru, Mimi was left with mixed feelings when Sheena arrived a little later and tried to take Haru's temperature. The next day, Sheena and Mimi went to the underground library to return a book on Haru's behalf, but they tripped and fell—

E11 Untarnished 2026-09-15 · 30 min Mimi keeps getting called to battle, but Sheena is relieved that she keeps coming home practically untouched.

E12 As I Am 2026-09-22 · 30 min Sheena and Mimi search for a way to come to an understanding and reaffirm their friendship after an argument.

E13 I Miss You 2026-09-29 · 30 min Ari wistfully remembers how life was before and struggles to adjust to the painful loss of her beloved Seiran.

TV listings and show data from TVmaze.