utamaru (konomix), aragaki ayase, ore no imouto ga konna ni kawaii wake ga nai, bad id, bad pixiv id, 1girl, arm support, bare shoulders, black hair, blue eyes, blush, bra, dress shirt, female focus, grin, lingerie, long hair, mouth hold, naughty face, off shoulder, open clothes, open shirt, plaid clothes, plaid skirt, ribbon, ribbon in mouth, shirt, simple background, sitting, skirt, smile, solo, underwear