2girls, :d, blue_eyes, blue_hair, brown_eyes, brown_hair, chibi, crossover, dark-skinned_female, dark_skin, detached_sleeves, hair_ornament, holding_hands, looking_at_viewer, multiple_girls, namesake, open_mouth, outstretched_arms, pleated_skirt, ponytail, school_swimsuit, school_uniform, serafuku, skirt, smile, spread_arms, swimsuit, swimsuit_under_clothes