Aria the Scarlet Ammo

Searching for Hidan no Aria? That title and Aria the Scarlet Ammo point to the same show. It's a TV series across 12 episodes out of J.C.STAFF. It's finished airing, so the whole thing is watchable start to finish.

Genre-wise it's tagged Action, Comedy, and Ecchi, which is the throughline if you're browsing by mood rather than by name. Liked it? The related picks below start with Attack on Titan, pulled from the same genre lane.