1girl, ahoge, bad_pixiv_id, blue_eyes, blue_hairband, blue_neckerchief, blue_skirt, blunt_bangs, blush, breasts, collarbone, floral_background, green_hair, hairband, idolmaster, idolmaster_million_live!, large_breasts, long_hair, looking_at_viewer, messy_hair, neckerchief, pleated_skirt, school_uniform, serafuku, shimabara_elena, sidarim, simple_background, skirt, smile, solo, twitter_username, very_long_hair