Answer: Adi is the protagonist of the work because the whole story revolves around him, who along with his roommate named August live this experience in the city of Vienna.
Explanation: Adi is a young man of 19 years, looks sickly, dresses badly but wants to be an artist and is discouraged by not being admitted to the Letters Academy despite having applied several times and not let him take the exam because they tell him he has no talent . For this reason he feels unsuccessful and without a future.