Interstellar mail delivery!

2girls,flying,an extremely delicate and beautiful,beautiful detailed sky,beautiful detailed eyes,(hair bow:1.3),(red bow:1.3),(large bow:1.4),large ribbon on head,short hair,bob hair,blond hair,blue eyes,sharp detailed eyes,cheerful determined expression,medium breasts,black hair,short hair,blue eyes,sharp detailed eyes,calm gentle expression,medium breasts,both wearing galaxy postal uniform,deep navy coat with gold buttons,star emblem on the chest,postal cap with star badge,knee-high boots,holding (star-shaped glowing letters:1.2),envelopes shaped like five-pointed stars,sparkling golden light emitted from the letters,riding a (flying antique mailbox shaped like a small spaceship:1.3),red mailbox with wings and a glowing star on top,trailing stardust behind it,vast galaxy background,countless stars,glowing nebula clouds in purple and blue,distant planets,swirling cosmic dust,comet streaking across the sky,one girl sitting inside the flying mailbox steering it,other girl leaning out holding a letter forward,hair and coat fluttering from the speed,legs braced against the mailbox frame,looking ahead with excitement,full body shot,detailed background,(masterpiece:1.2),(best quality:1.2),very aesthetic,absurdres,