Prompt:

A pencil sketch artwork in [COLOR] monochrome, showing a pensive[SUBJECT / DESCRIPTION] looking reflectively next to a window. Outside it is raining. The sketch has a loose, expressive style --v 6.1 --ar 3:2

一幅用[颜色]单色铅笔素描艺术作品，描绘了一个沉思的[主题/描述]反思地坐在窗边。外面下着雨。素描风格松散而富有表现力。