Also known as: ストレングス, strength
A white (or yellow) eyed, dark skinned, White Haired girl who was featured in the Black ★ Rock Shooter OVA and TV series. She wears a Hooded garment and it appears a Tail is peaking from it. Her arms are encased in over sized Gauntlets acting as Mechanical Arms of sorts.
In the OVA and television series her likeness is similar to a civilian named Koutari Yuu.