1girl :| absurdres arm_at_side arm_behind_head arm_up armpits bangs bare_arms bare_shoulders bikini black_bikini blue_hair blunt_bangs blush breasts closed_mouth collarbone commentary grey_background hair_bun halterneck highres long_hair love_live! love_live!_sunshine!! medium_breasts nasuno_(nasuno42) nervous nose_blush purple_eyes simple_background single_hair_bun solo sweat swimsuit tearing_up tsushima_yoshiko upper_body water_drop wet wet_hair