score_9, score_8_up, score_7_up, (masterpiece, UHD, 8K, 16K, ultra detailed), from behind, 1girl, long hair, silver hair, wearing a colorful sunglasses, blue eyes, beautiful eyes, wearing a backpack, looking at the viewer, bedroom background, a magic portals on the wall

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits