A detailed portrait of a Japanese man sitting indoors. The man has short

A detailed portrait of a Japanese man sitting indoors. The man has short, black hair with a natural sheen, slightly covering his forehead. His face is oval-shaped with a slightly broad forehead, and there are faint smile lines between his forehead and eyebrows. He is wearing glasses with a black, straight, and simple frame. The man has a calm expression, with slightly pursed thin lips. His skin has a natural tone with a slight shine. He is dressed in a white crew-neck T-shirt, with natural wrink、Character profile, Background blur, Minimalist,