Banished from the Hero's Party, I Decided to Live a Quiet Life in the Countryside, Vol. 8 (manga)

Winter has come to Zoltan, bringing a chilly wave to the normally temperate frontier region. Rit-s offhanded comment--If only we had a medicine that could draw in customers on such a cold day.--sets Red about developing a new product, making use of the knowledge he gained from previous adventures. Meanwhile, the Hero Ruti and her ally Tisse have stolen their party-s airship and taken flight! But where could they be headed...?