3girls, abyssal_ship, bikini, bikini_under_clothes, black_bikini, clenched_teeth, comic, greyscale, hair_over_one_eye, jacket, labcoat, low_twintails, monochrome, multiple_girls, navel, open_clothes, open_jacket, sailor_collar, scarf, school_uniform, serafuku, short_hair, shorts, smile, swimsuit, swimsuit_under_clothes, teeth, twintails