safebooruhttps://safebooru.org/index.php?page=atom&tags=1girl blush flower hair flower hair ornament heart long hair monochrome open mouth sakugawa school uniform saten ruiko school uniform serafuku simple background sketch skirt sleepy frippy solo spoken heart squatting summer uniform toaru kagaku no railgun toaru majutsu no index white background2024-05-21T21:26:24Zsafebooru