safebooruhttps://safebooru.org/index.php?page=atom&tags=back-to-back bad id belt blonde hair book brother and sister hair ornament hair ribbon hairclip hand on headphones headphones headset highres kagamine len microphone necktie nineo open mouth ribbon short hair shorts siblings sitting smile twins vocaloid wink yellow eyes2024-06-09T21:41:45Zsafebooru