saten ruiko, 1girl, sakugawa school uniform, summer uniform, school uniform, black hair, serafuku, hair ornament, green eyes, long hair, flower, hair flower, solo, skirt, midriff peek, musical note, navel, open mouth, blue skirt, red neckerchief, smile, blue sailor collar, looking at viewer, spoken musical note, neckerchief, pleated skirt, index finger raised, sailor collar, midriff, masterpiece, best quality, good quality, embedding:Smooth_Quality,

bad quality, low quality, worst quality, worst detailed, nsfw, explicit,