• Book Name: Tensura nikki That Time I Got Reincarnated as a Slime Manga
• Alternative(s): slime diary That Time I Got Reincarnated as a Slime; Tenura nikki tensei shitara slime datta ken; Tenura nikki tensei shitara suraimu datta ken; 転スラ日記 転生したらスライムだった件
• Genre(s): 4-Koma Fantasy
• Author(s): Fuse　布瀬
• Status: Ongoing Download Manga
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Summary: This talks about Rimuru and his friends spending their free time doing something fun together. A spin-off from the main series "That Time I Got Reincarnated as a Slime"