Tensura Nikki Tensei Shitara Slime Datta Ken

Chapter 7: Reproduction Of A Summer Festival
Chapter 6: Swimsuit Day
Vol.1 Chapter 8: Changing With Time
Chapter 6: Swimsuit Day
Vol.1 Chapter 8: Changing With Time
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"
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