Systems red, Grimm uncovered, rank...Silver extreme caution is advised... After the War of Remnant between the Immortal Ozma and Salem, 75% of Remnant had became a desolate wasteland covered from head to toe in Grimm. The location of the Immortal Ozma and his team of Huntsman unknown, and an Injured Salem rests in the land of Night. Kira Yu is a young girl residing within the last surviving city, Salvage. Her job is to take out any Grimm that infiltrate the City and repeat, but some invisible force keeps driving her to return to the outside world...and a single name always enters her mind...Ruby Rose.