1girl, ass, asymmetrical wings, black dress, black hair, black thighhighs, blue one-piece swimsuit, blue wings, clothes pull, dress, dress pull, from behind, houjuu nue, looking at viewer, looking back, one-piece swimsuit, open mouth, pointy ears, red eyes, red wings, school swimsuit, shiny skin, short dress, short hair, short sleeves, smile, solo, standing, swimsuit, swimsuit under clothes, thighhighs, touhou, undefined fantastic object, wings, winn