Black★Rock Shooter - Episode 7

Saya's turn from villain to almost-hero in an attempt to save Mato from Black Rock Shooter's world seems to have failed, so what next for our protagonist as the fighting within that world continues?

Once Saya has given up any hope in her own rescue efforts, it seems that the only hope of bringing Mato back to reality lies with Yuu, and it's she who is next to enter the show's other world to call