1girl alternate_costume armpit_crease bangs bikini bikini_top_lift blush breasts clothes_lift commentary_request cowboy_shot dated frog_hair_ornament green_eyes green_hair grill groin hair_ornament kei_jiei kochiya_sanae large_breasts long_hair looking_at_viewer lying navel nipples on_back open_mouth shichirin shiny_skin single_hair_tube single_sidelock snake_hair_ornament solo swimsuit tan tanlines touhou white_bikini