優木せつ菜(虹ヶ咲学園スクールアイドル同好会)

1girl, solo, Yuuki Setsuna, Nijigasaki, long hair, bangs, black hair, black hair sidelocks, light gray eyes, one side up, hair ornament, cute smile, mature femaile, (masterpiece), (ultra detailed), (high quality), (gigantic breasts),