1girl, ass, back, bent_over, bikini, blue_bikini, blue_eyes, blush, breasts, character_name, dated, eyelashes, floral_print, from_behind, hair_ornament, hair_scrunchie, leaning_forward, long_hair, looking_at_viewer, looking_back, medium_breasts, monogatari_(series), nijizuki_shino, official_alternate_costume, partially_submerged, ponytail, poolside, scrunchie, senjougahara_hitagi, shadow, sidelocks, smile, solo, standing, swept_bangs, swimsuit, teeth, water