Tensei shitara Ken deshita

Tensei shitara Ken deshita (転生したら剣でした) is a light novel series written by Tanaka Yuu and illustrated by LLO.

The novel series was adapted into a manga series by Maruyama Tomoo and published by Denshi Birz.

Plot
When he realized it, the protagonist was in another "game-like" world and had become a sword that was stabbed in the ground in a great forest, overrun with beasts. At least, that was until he met with a cat girl that was about to be attacked by a bear type beast.