That Time I Got Reincarnated as a Slime

is a light novel series written by Fuse and illustrated by Mitz Vah. It has been published in English by Yen Press since December 19, 2017.

The novel series was adapted into a manga series by Kawakami Taiki and published in Monthly Shōnen Sirius. It has been published in English by Kodansha Comics USA since August 22, 2017.

An anime adaptation for TV was announced in March 2018 to premiere in fall 2018 to be produced by 8-bit studio with music by Elements Garden.

Plot
After being killed by a passing robber, a normal 37-year-old guy finds himself reincarnated in another world as a blind slime with unique abilities. He takes up a new name and calls himself "Rimuru Tempest," which he thought of after meeting his new friend, "catastrophe-level" Storm Dragon Verudora. There, he begins his new slime-like life in another world with his increasing number of minions by his side.

Official 転生したらスライムだった件　全巻無料
Official English manga site