1girl, aqua_bikini, aqua_eyes, aqua_hair, araragi_koyomi, arched_back, arm_up, ass, bad_pixiv_id, bakemonogatari, ball, beachball, bikini, blue_background, breasts, character_print, eyewear_on_head, feet_out_of_frame, gradient_background, head_tilt, large_breasts, leaning_back, long_hair, monogatari_(series), multicolored_bikini, multicolored_clothes, multicolored_hair, pink_background, pink_bikini, ponytail, purple_hair, rapa_rachi, senjougahara_hitagi, shadow, shiny_skin, solo, sunglasses, swimsuit, thighs, wet