Natsume's Book of Friends (2008)

S5E6 Soundless Valley

Taki, Natsume's friend, resides in a house designed with traps and mazes meant for youkai. Although she can’t see them without a special circle, she can hear their sounds when they get caught in her home. After rescuing one of the youkai, it stubbornly decides to stay instead of leaving. Concerned that this could lead to trouble, Natsume drops by to check on her and ensure she’s safe.