High-resolution image of a girl inspired by Steins;Gate, standing and holding a cat. She has a calm and content expression, reflecting a sense of affection for the cat. The girl's casual outfit is visible, with a simple t-shirt and jeans. The color scheme is entirely in monochrome, with various shades of black, white, and gray. Her hair is messy and slightly tousled, adding to her character's intellectual and slightly rebellious look. The cat she is holding is also in monochrome, with distinct fur patterns. The background is abstract and also in monochrome, enhancing the overall atmosphere of the image. Ultra-detailed, high-resolution, with sharp lines and intricate shading to emphasize the monochrome aesthetic.