1990s_(style), 4girls, :o, blue_eyes, breasts, brown_hair, collarbone, copyright, copyright_name, dated, large_breasts, lipstick, long_hair, looking_at_viewer, makeup, medium_breasts, multiple_girls, naked_towel, onsen, open_mouth, out-of-frame_censoring, pink_hair, red_eyes, red_hair, red_lips, retro_artstyle, short_hair, silver_hair, towel, towel_on_head, upper_body