A medium shot anime-style of a male character with natural slightly messy and to

A medium shot anime-style of a male character with natural slightly messy and tousled hair, similar to the main character of the anime 'Hyōka'. He is dressed in a Japan-style school uniform. He is sitting in a school classroom at a table by the window side. His one hand is on his cheek and His face is expression disinterested. The background is filled with other students. With sleepy eyes