Tokyo Valkyries

Grand Earth, a world of swords and magic, was trampled at the hands of Belzebia, a dark spirit wielding unfathomable power. In time, the shadow of her conquest began to creep towards even our reality, where magic does not exist... Unaware of such a threat, Haruka Fuchi, a university student in Tokyo, is led by a voice crying for help and steps into a strange space. Where she ended up was an Underworld, a space in between Grand Earth and our world, created by Belzebia. In this Underworld, replete with the presence of darkness, Haruka meets a girl who introduces herself as Artesia. If the Underw(Storyline via IGDB)