転生したら剣でした / I Was a Sword When I Reincarnated / 전생했더니 검이었습니다 / Naging Espada Ako sa aking Pangalawang Buhay / Sword Shisho / Tensei Shitara Ken Deshita
Rank: 39th, it has 14528 monthly / 22908 total views.
Genres: Manga / Seinen / Action / Adventure / Comedy / Drama / Ecchi / Fantasy / Isekai
Status: Ongoing
Summary:
A 30 year old man is struck by a car and dies.  When he next awakens he has reincarnated as a magic sentient sword in a fantasy world.  He eventually encounters an enslaved catgirl named  Fran, whom he helps free, and together they set off for adventure.

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Original webcomic: http://denshi-birz.com/tenken/