safebooruhttps://safebooru.org/index.php?page=atom&tags=1girl arknights black dress blue eyes blue hair book braid bright pupils cardigan dress flower frilled hairband frills grey cardigan hair flower hair ornament hairband highres holding holding book istina (arknights) istina (bibliosmia) (arknights) long sleeves monocle nazo no hana neckerchief official alternate costume open cardigan open clothes red hairband red neckerchief simple background solo twin braids white background white flower white pupils2024-05-28T15:39:38Zsafebooru