1girl, ahoge, armpits, arms_up, bad_pixiv_id, bikini, blush, breasts, earrings, frilled_straps, gem, hamedoragon, ichinose_shiki, idolmaster, idolmaster_cinderella_girls, indian_style, jewelry, looking_at_viewer, neck_ribbon, pink_bikini, purple_hair, ribbon, shading_eyes, side-tie_bikini_bottom, simple_background, sitting, smile, solo, swimsuit, thigh_strap, twintails, wavy_hair, white_background