Reincarnated as a Sword also know as "I Became the Sword by Transmigrating," or "Tenken," is a popular Japanese light novel series. Written by Yuu Tanaka and illustrated by Llo, the story began as a web novel on the Shōsetsuka ni Narō website in October of 2015. The first volume of the light novel was published by Micro Magazine in July of 2016. Since then, the series has gone on to have a manga adaptation by Tomowo Maruyama, published by Gentosha, as well as a spin-off manga by Hinako Inoue, published by Micro Magazine. Seven Seas Entertainment licensed both the light novels and manga for North American release, as well as the spin-off. In October of 2019, an anime television series adaptation by C2C aired, which ran from October to December of 2022. The production company has since announced a second season for the popular anime.
After dying in a car accident, the protagonist finds himself reincarnated in another world as a sword with no recollection of his name, though he remembers everything else from his previous life. Accepting his fate as a sword, he begins to seek someone to become his wielder, fighting and gaining powers. He discovers a caravan of slave traders under attack by a two-headed bear. A young catgirl slave, Fran, discovers the sword, and uses him to kill the bear. After being freed from slavery, she names the sword "Teacher", and the two embark on an adventure together.