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That Time I Got Reincarnated as a Slime

Tensei Shitara Slime datta Ken
転生したらスライムだった件
전생했더니 슬라임이었던 건에 대하여
Aquella Vez en que me Convertí en Slime
Aquella vez que me convertí en Slime
Kun jälleensynnyin hirviönä
Lúc Đó Tôi Đã Chuyển Sinh Thành Slime
Meine Wiedergeburt als Schleim in einer anderen Welt
Vita da Slime
Moi, quand je me réincarne en Slime
Odrodzony jako galareta
O zaman bir balçık olarak reenkarne oldum
TTIGRAAS
О моём перерождении в слизь
ذلك الوقت الذي تجسدت فيه كسلايم
เกิดใหม่ทั้งทีก็เป็นสไลม์ไปซะแล้ว
关于我转生后成为史莱姆的那件事

Adaptation

novel
and 1 more
Living alone and never having had a girlfriend, 37-year-old Satoru Mikami is dissatisfied with how his life has turned out. But after dying at the hands of a robber, he awakens to a fresh start in a new world...as a slime monster.

(Source: Yen Press) 

*Note: Includes 61 extra chapters.*

Other

manga
After being killed by a passing robber, a normal 37-year-old guy finds himself reincarnated as Kousaku Shima in 1984. 

*Note: The volume contains the only 2 chapters of the spin-off, 2 chapters of the manga Kachou Shima Kousaku, and one chapter of the manga Tensei Shitara Slime Datta Ken*