The anime is about a tower that has a number (ex: 37), so all the people who reach 37 years of age die/disappear. And the protagonist, who witnessed his sister's death, goes to the tower seeking the gods.
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ghostpickleonastick2026-01-07 22:59
If the number gets down to 33 I can answer with clarity.
gui_odai2026-01-07 23:01
You answered that better than I could
SnooSquirrels97312026-01-08 00:44
Expedition 33: Edgerunners please?
AevnNoram2026-01-07 23:04
Plunderer maybe?
KaleidoMeister2026-01-07 23:14
Unsure, but off the top of my head, the description sounds like a mixture of Expedition 33 (a game) and Tower of God.
UnicornPuppers2026-01-07 23:16
This sounds a lot like the game Expedition 33.
Might be the Tower of God but it was his friend that left him to the tower.
Romapolitan2026-01-07 23:56
That sounds pretty similar to Clair Obscure the videogame. Can you remember anything more because apart from that it doesn't sound like anything I know and I want to check if you aren't mixing things up.
Tempered2026-01-08 00:27
Since you said tower I'm just going to guess tower of druaga.
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Might be the Tower of God but it was his friend that left him to the tower.