Mahoutsukai no melody

Overview

Akane, a sick girl, was aiming to become a flute player while fighting her illness. A stray cat named Crow, who was involved in the town's cat power struggle, loves the sound of Akane's flute. One day, Akane's mother had an accident, and Akane was so shocked that she became sick again, Crow worried about Akane and struggled to help.

Source: AniList