inato serere, soine, misaka mikoto, shirai kuroko, toaru kagaku no railgun, toaru majutsu no index, artist collaboration, 00s, 2009, 2girls, angry, artist name, bent over, black socks, blazer, blush, bow, brown eyes, brown hair, grin, hair bow, hair ornament, indoors, jacket, kneehighs, legs, lying, midriff, multiple girls, navel, no pants, open clothes, open shirt, panties, pink eyes, pink hair, plaid clothes, plaid skirt, school uniform, shirt, skirt, smile, socks, sweat, twintails, underwear, white panties