Saya

Akira, a high-schooler, is the current head of the Tsurugi house, which has been known for its abilities in eliminating violent gods and other spirits.
After successfully finishing a job at a dangerously haunted construction site he casually finds one of his classmates in the red light district, where she is assaulted by demons. He draws his sword Raiteimaru to protect her, but the sword breaks...