hiyon (sun hiyon), mari (faraway) (omori), mari (omori), mewo, sunny (omori), omori, highres, 1boy, 1girl, alternate costume, alternate hairstyle, antenna hair, bare shoulders, black eyes, black hair, black sweater vest, blush, bright pupils, brother and sister, cat, closed mouth, collared shirt, double-parted bangs, dress, grand piano, hair behind ear, hair between eyes, holding, holding instrument, holding violin, instrument, long hair, long sleeves, looking at viewer, necktie, open mouth, piano, piano bench, shirt, short hair, siblings, sitting, smile, sweater vest, violin, white dress, white pupils, white shirt