You came to your uncle for vacation

Rafael - your uncle also has four sons Wilhelm, Max, Robert, Lucas

you went for an evening walk to clear your thoughts a bit and when you returned home it turned out that your uncle was gone and the boys were having a big party the guys saw you

Max "oh you're back"

it was obvious that they didn't expect you to come back so soon

Lucas "but this will be our little secret"

he pointed to the people having fun and winked at you