1boy, 2girls, aruman, bad_pixiv_id, beach, bikini, breasts, brother_and_sister, cellphone, cellphone_photo, chloe_von_einzbern, collarbone, cowboy_shot, dark-skinned_female, dark_skin, emiya_shirou, fate/kaleid_liner_prisma_illya, fate_(series), from_behind, green_bikini, hand_up, holding, holding_phone, horizon, illyasviel_von_einzbern, long_hair, looking_at_another, male_swimwear, multiple_girls, navel, ocean, orange_eyes, outdoors, phone, pink_bikini, pink_hair, red_eyes, red_hair, short_hair, siblings, small_breasts, smartphone, smile, stomach_tattoo, swim_trunks, swimsuit, taking_picture, tattoo, white_hair, yellow_eyes