During a Niconico live broadcast commemorating the one-year anniversary of the smartphone game "Phantom of the Kill," game producer Jun Imaizumi unveiled six new projects linked to the game. A 15-minute anime concept film is one of the new initiatives. The concept film will be directed by Naoyoshi Shiotani (Psycho-Pass, Blood-C: The Last Dark) at Production I.G Fuji & Gumi Games' strategy drama RPG follows strange heroines who carry the names of historical weapons (such as "Masamune") as they hunt for their lost memories. Players may acquire characters and weapons, as well as visit dungeons to engage in turn-based tactical fights.