Anime image of a boy with a white shirt and a strap of blue overall sitting at a

Anime image of a boy with a white shirt and a strap of blue overall sitting at a table with a cell phone, the image depicts a young man sitting at a desk with a notebook black, a phone, and a cup of coffee. The man is leaning on his elbow and has his head in his hands, appearing to be tired or frustrated. The background of the image features a plain, grey wall with furniture and posters.