1girl ahoge armpits arms_up ball bangs beach_towel beachball bikini blue_archive blue_eyes blue_jacket blush breasts clenched_teeth commentary_request crab eyelashes eyewear_removed feet_out_of_frame frilled_bikini frills from_above hair_between_eyes heterochromia highres hoshino_(blue_archive) hoshino_(swimsuit)_(blue_archive) jacket knee_up legs long_hair long_sleeves looking_at_viewer low-tied_long_hair lying morikawa3sei navel on_back orange_eyes pink_hair sand shadow shiny_skin sidelocks small_breasts solo sunglasses swimsuit teeth thighs towel twintails white_bikini