A surprise listing and localization has been found on Amazon.com and confirmed by the developer themselves. The very Japanese title Phantom Breaker is to be localized by 7sixty. Read inside for more information.
From what I've seen she summons weapons from the past and future and uses them against enemies. It's even more interesting to see the girl from Chaos;Head fight.
I don't know how Makise Kurisu from Steins;Gate can fight...
I think she'd fight better than you!