horiguchi hiroshi, gokou ruri, kousaka kirino, ore no imouto ga konna ni kawaii wake ga nai, 2girls, alternate hairstyle, arm support, bare shoulders, barefoot, bed, black hair, blue eyes, blunt bangs, blush, book, collarbone, crossed legs, curtains, cushion, dolphin shorts, double bun, female focus, hair bun, hair ornament, hair up, hairclip, holding, indoors, long hair, looking at viewer, manga (object), meta, midriff, mole, mole under eye, multiple girls, navel, off shoulder, on bed, open book, orange hair, pajamas, red eyes, short hair, short shorts, shorts, sitting, sleepwear, smile, strap slip, wariza