ara ta, harada (sansei rain), kousaka kirino, kousaka kyousuke, ore no imouto ga konna ni kawaii wake ga nai, bad id, bad pixiv id, 1boy, 1girl, :o, blue hair, blush, brother and sister, foreshortening, from behind, green eyes, hair ornament, hairclip, halftone, halftone background, loafers, long hair, necktie, open mouth, orange hair, outstretched arm, pants, pleated skirt, pointing, pointing at viewer, school uniform, scrunchie, serafuku, shoes, short hair, siblings, skirt, sweatdrop