駆け出し冒険者マールとスライムのリン (Associated Names)

Marle accepted a request to deliver a letter to the neighboring town together with her familiar, the slime Rin. Marle and Rin thought this would be just a simple request of delivering a letter, but on the fourth day, Marle was in an absurd pinch. 「…… Help me, Rin-chan! I want to take a bath!」…