Hikō Yakan is an owl-like bird from the floating kingdom in the sky, Sky Land. Hikō has a great agility and speed, she can easily dodge several obstacles at the same time and is known for her acrobatic sky dances showing her exceptional flying skills.
Even the King and the Queen had recognized her abilities and made her the youngest captain of the night scouting brigade patrolling the skies around the kingdom.
Right after the kidnapping Hikō felt it was her duty to search for Princess Elle, and with the permission of the rulers, she set out to search the skies of the earth.
While looking for the Princess, Hikō repeatedly saw great steel birds flickering with lights in the sky, leaving only a contrail behind. When Princess Elle and her guardians Sora and Mashiro were found, she learns that these birds are machines called airplanes. She becomes fascinated by
The earth aviation and the way humans learned the ability to fly.
Later on with the help of none other than the hyper-amazing legendary honorary scholar Yoyo-sama, she was taught the technique of transforming herself into a human. So that she could stay on the earth and easily study all about the principles of aviation as well as explore the secrets of aeronautical engineering.