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…

(taken from Calamitous Intent)