Rule 34 Dev - 1girl arms_behind_head artist_name beach bikini blue_sky breasts brown_eyes cleavage cloud dated day hair_bun light_brown_hair looking_at_viewer medium_breasts mile ocean outdoors sakayaya short_hair side-tie_bikini_bottom single_hair_bun single_side_bun sky solo swimsuit white_bikini yahari_ore_no_seishun_lovecome_wa_machigatteiru. yuigahama_yui|22391005221