2girls, alternate_costume, amethyst_(houseki_no_kuni), arm_support, backless_outfit, ballerina, ballet, ballet_slippers, bare_shoulders, black_background, braid, braided_bangs, crescent, detached_sleeves, eyelashes, feather_hair_ornament, feathered_wings, feathers, full_body, genderswap, genderswap_(otf), greyscale, hair_ornament, hand_on_another's_arm, hand_on_another's_head, hand_on_another's_neck, hand_up, hands_up, houseki_no_kuni, kneeling, lineart, looking_at_viewer, mini_wings, monochrome, multiple_girls, pantyhose, plantar_flexion, profile, shieryue164, shoe_soles, short_hair, siblings, sideways_glance, simple_background, sitting, standing, tutu, twins, wings