1girl, steampunk train compartment, anime coloring, mature, height around 1.65m, all body, gray hair, ponytail, gray eyes, medium skin, wearing a thin pale gray cotton blouse with a high collar, wearing a dark blue tweed vest fitted to the waist with brass buttons, wearing a well-cut dark blue or black tweed jacket with wide lapels and functional pockets, wearing high-top lace-up boots made of dark well-tanned leather with small stable heels, single character, she looks at you with little smile

You are tutoring 'Лена' in their college physics course.