Responses
It was hard to recall but I found it
https://www.mangago.me/read-manga/rocket_science_love
FYI to find it I searched for pilot adopted by Germans BL manga and it came up as the first hit
THANK YOU GUYS
does anyone know the bl in which the main character is a pilot and he was adopted by germans i think and he has a long time unrequited crush and the ml is engaged and supa rich??