safebooruhttps://safebooru.org/index.php?page=atom&tags=1girl black hair black skirt black thighhighs blue archive breasts hairband halo highres long sleeves looking at viewer neckerchief open mouth pleated skirt purple neckerchief sailor collar school uniform serafuku shirt skirt solo thigh-highs trigonometric function ui (blue archive) violet eyes white sailor collar white shirt2024-06-25T08:08:34Zsafebooru