Папа, мама, пока-пока!

Dungaree-wearing teenage tomboy Kaori lives next door to the brothers Ko and Yasu. One day as Kaori is walking to school, a US jet crashes near the boy's house. (Source: The Anime Encyclopedia) Based on the "1977 Yokohama F-4 crash" real life incident when a US jet force-landed in Yokohama.