Tensei Shitara Ken Deshita

The nameless sword woke up to find himself reincarnated in a new world, with the power of telekinesis. As he explores, he meets a young girl named Fran, who is fleeing a monster. Once she grabs the sword, she easily defeats the monster. Fran names the sword "Shishou" and they set out to become adventurers.

They are a formidable pair. Fran is a member of the Black Cat Tribe—Beastkin with a less-than-stellar reputation. She hopes to become the first to evolve into a powerful beast and achieve her parent's dream. Shishou promises to be her sword until that dream is achieved, and together they fight to make it a reality.