Rule 34 Dev - 1girl bare_shoulders beach bikini blue_eyes blush breasts bubble cleavage day hand_in_own_hair hand_up highres idolmaster idolmaster_shiny_colors kazano_hiori long_hair looking_at_viewer medium_breasts mirei mole mole_under_mouth off_shoulder outdoors parted_lips smile solo swimsuit teeth thighs water white_bikini|19674870462