absurdres bare_arms bare_legs bare_shoulders beach beach_umbrella bikini bikini_skirt blue_sky blurry blush breasts brown_eyes brown_hair cleavage closed_mouth cloud cloudy_sky collarbone day depth_of_field dutch_angle eyebrows_visible_through_hair flower groin hair_flower hair_ornament hand_in_hair hand_up highres houjou_karen idolmaster idolmaster_cinderella_girls knee_up kurokin long_hair looking_at_viewer medium_breasts ocean outdoors sitting skirt sky smile solo striped_umbrella swimsuit umbrella water wavy_hair wet white_bikini white_flower white_skirt