kasagana i, erwin smith, levi (shingeki no kyojin), shingeki no kyojin, highres, 2boys, black hair, blonde hair, bolo tie, brown jacket, closed eyes, collared shirt, cropped jacket, crossed arms, green jacket, hand on another's chin, jacket, leaning on person, male focus, multiple boys, parted bangs, shirt, short hair, sitting, sleeping, sunlight, survey corps (emblem), train interior, upper body, white shirt, window, yaoi