good quality, 1girl, ass focus, bike shorts, boots, borrowed character, by nyantcha, crazy eyes, crazy smile, dark persona, dark-skinned female, english text, from behind, holding knife, kitchen knife, long hair, looking at viewer, looking back, off shoulder, on stomach, open mouth, pantylines, purple hair, red eyes, ringed eyes, sandals, short shorts, solo, speech bubble, thick thighs, yandere