2girls, bikini, bikini_skirt, black_hair, blonde_hair, blue_sky, blush, breasts, caustics, cloud, fish_hair_ornament, hair_ornament, inoue_takina, kita_(kita_2021), large_breasts, leaning_forward, lens_flare, light_smile, long_hair, lycoris_recoil, medium_hair, multiple_girls, navel, nishikigi_chisato, official_alternate_costume, purple_eyes, red_eyes, sidelocks, sky, smile, splashing, swimsuit, thigh_gap, thighs, water_gun