I've Been Killing Slimes For 300 Years And Maxed Out My Level (Manga) Vol 07

This week in the life and times of Azusa, the Witch of the Highlands, it is time for a music fest?! After taking a troublesome traveling minstrel under her wing, Azusa and her family set out to find the soul of music‚ at a demon music festival!! Will Azusa's new friend be able to find her inner muse? Yen Press
(W) Kisetsu Morita (A) Yuusuke Shiba, Benio