Reincarnated as a sentient weapon with memories of his past life, but not his name, a magical sword saves a young beastgirl from a life of slavery. Fran, the cat-eared girl, becomes his wielder, and wants only to grow stronger, while the sword wants to know why he is here. Together, the strange duo’s journey has only just begun!

Filled with rage against spirits known as tsukumogami, Kunato Hyoma is sent to live with Nagatsuki Botan to help him see a different side. Though both are part of a clan that return the spirits back to their world with divine powers, their experiences with the otherworldly vessels are vastly different. Kunato, robbed of a loved one, and Nagatsuki, saved by them. Can she get through to him?