Aoi Hane Mitsuketa! Sagashite Miyou Mijika na Tori-tachi

Synopsis

Two siblings named Hayato and Hina live in Tokyo and share a close relationship. One day, Hayato finds a beautiful blue feather on the street and becomes determined to discover its owner. A mysterious crow appears and acts as their guide, leading them on a journey where they encounter various birds. Can they successfully find the feather's owner?