1girl argyle_cardigan beret blonde_hair blurry blurry_background blush breasts cleavage collarbone green_headwear hand_on_own_cheek hand_on_own_face hat heart heart_necklace highres ibuki_tsubasa idolmaster idolmaster_million_live! jewelry karua_(karua23) letterboxed looking_at_viewer medium_breasts necklace outdoors red_eyes shirt smile solo upper_body white_shirt