The Vexations of a Shut-In Vampire Princess

Shut-in vampire Terakomari-Komari for short-wakes up to discover she's been made a commander in the army. The problem? Her new squad is infamous for disobeying orders with brutal enthusiasm. Despite being from a distinguished vampire family, Komari's refusal to drink blood has left her weak, clumsy, and hopeless at magic. Facing impossible odds, can her loyal maid help this awkward recluse somehow stumble her way to victory?