1girl ahoge armpits arms_behind_head ass bikini black_bikini blonde_hair blush breasts choker commentary cowboy_shot frilled_bikini frills girls'_frontline goggles goggles_on_head heart heart-shaped_pupils highres lemures looking_at_viewer medium_breasts medium_hair multiple_views navel official_alternate_costume one_side_up purple_eyes sterling_(girls'_frontline) stomach sweatdrop swimsuit symbol-shaped_pupils underboob