1girl armlet bare_shoulders beach belt between_breasts bikini black_choker breasts brooch bug butterfly choker cleavage crescent crescent_hair_ornament full_moon grin hair_ornament hairband hecatie_(sennen_sensou_aigis) highleg highleg_bikini highres holding holding_hair holding_staff jewelry kneeling large_breasts long_hair looking_at_viewer moon nanahara_fuyuki navel night official_art outdoors palm_tree purple_bikini purple_eyes purple_hair sandals sennen_sensou_aigis shawl side-tie_bikini_bottom skindentation smile solo staff stomach string_bikini swimsuit thigh_strap thighs tree twintails wading water watermark