1girl, arm_at_side, ass_visible_through_thighs, blue_one-piece_swimsuit, blurry, blurry_background, blush, braid, braided_bangs, breasts, brown_hair, collarbone, covered_navel, feet_out_of_frame, forehead, hand_on_own_chest, hand_up, hasumushi, idolmaster, idolmaster_cinderella_girls, letterboxed, long_hair, looking_at_viewer, medium_breasts, one-piece_swimsuit, open_mouth, school_swimsuit, seki_hiromi, smile, solo, swimsuit, thigh_gap, very_long_hair