Yume no Tsubasa

Your dream is to fly, and you've spent years restoring an old plane, hoping that you will be able to fly in the sky just like your father. However, one day, after a test run you find a mysterious girl collapsed near the runway. Who is she? And why is she here? Even though you don't know anything, you let her stay at your house, and a chain of events have begun to turn.

Yume no Tsubasa is an adventure game, developed and published by KID, which was released in Japan in 2000.