tsukamoto shuuichi, hibike! euphonium, official art, second-party source, 1boy, black jacket, black pants, brown eyes, brown hair, brown shoes, closed mouth, expressionless, full body, gakuran, hand in pocket, jacket, loafers, long sleeves, looking at viewer, male focus, multiple views, pants, school uniform, shoes, short hair, simple background, standing, tachi-e, transparent background, turnaround