1girl, blunt_bangs, closed_mouth, flower, from_behind, hair_flower, hair_ornament, long_hair, looking_at_viewer, miniskirt, musaki_(msaki666), sakugawa_school_uniform, saten_ruiko, school_uniform, serafuku, sketch, skirt, smile, smug, solo, standing, summer_uniform, toaru_kagaku_no_railgun, toaru_majutsu_no_index