No Aria (dub) — Hidan

Aria H. Kanzaki is a tiny, silver-haired powerhouse. She is a Quadra-rank Butei from London, armed with twin Colts and twin swords. She is also the great-granddaughter of Sherlock Holmes, though she lacks his powers of deduction—she makes up for it with pure, aggressive firepower.

Everything changes during a routine commute. Kinji is targeted by the "Butei Killer," a mysterious criminal rigging the city with explosives. Just as Kinji is cornered, a girl literally falls from the sky. Hidan no Aria (Dub)

Aria saves Kinji, but she senses his hidden potential. She "claims" him as her partner, much to his annoyance. As the two begin working cases together, they realize the Butei Killer is part of a much larger organization called . Aria H