An ancient weapon awoke to find itself alone in a world that had changed. Guided only by shifting stars and an unresolvable error deep in his core, Kalyptos begins a solitary march to fulfill an obsolete promise to his fallen commander.

Asteria is a 1,000-year-old shut-in vampire who just wants to be lazy and lay around inside her castle. But when a massive earthquake forces her to check the outside world for the first time in centuries, she steps in to stop a monster attack—and accidentally gets swept up in modern human society...