ore no imouto ga konna ni kawaii wake ga nai
kousaka kirino
hyocorou
1girl, blazer, blush, buttons, chalkboard, embarrassed, flat chest, frown, greyscale, groin, hair ornament, hairclip, hands on own hips, indoors, jacket, kneehighs, long hair, looking at viewer, lowleg, lowleg panties, monochrome, necktie, no pants, panties, parted bangs, ribbon, school uniform, serafuku, shadow, socks, solo, standing, swept bangs, underwear, very long hair, wavy hair