1girl absurdres arm_up armpits ass bangs bare_shoulders bikini blonde_hair breasts collarbone commentary_request cowboy_shot eyebrows floral_print frilled_bikini frills from_side green_eyes hand_up haruyuki_(gffewuoutgblubh) highres idolmaster idolmaster_cinderella_girls medium_hair messy_hair one_eye_closed open_mouth outdoors partial_commentary pool sakurai_momoka sky small_breasts smile standing swimsuit water