Kannagi Miyabi and Mikadono Sh go from Kono Naka ni Hitori Imouto ga Iru HD Wallpaper

A young girl with brown hair in pigtails, wearing a white shirt and pink plaid skirt, looks surprised as a boy with brown hair measures her thigh with a tape measure. The boy is looking down at the tape measure with a focused expression. They are outdoors with greenery in the background.