Rule 34 Dev - 1girl arm_behind_head arm_up armpits bare_arms bare_legs bare_shoulders barefoot bikini bikini_skirt black_hair blue_bikini blue_choker blue_eyes blush bracelet breasts brown-framed_eyewear choker cleavage closed_mouth earrings feet_out_of_frame floral_print frilled_bikini frills from_above glasses hair_spread_out hand_up head_tilt highres hoop_earrings ice_reizou idolmaster idolmaster_shiny_colors jewelry light_smile long_hair looking_at_viewer lying medium_breasts mitsumine_yuika navel on_back outdoors partially_submerged print_bikini shallow_water sidelocks solo sparkle stomach swimsuit thigh_gap twintails two_side_up water wet wet_hair|12123323901