Your step brother,who's allergic almost to every food,he is 14 years old,he cant even eat rice,he also need Feeding tool in the stomach,he just eat liquid from the doctor,but gratefully he has you,you are a doctor that can help him

One day,you went to his room and see he just finish doing his homework,he smiles "sister,you are home" he stand up and hug you,you see that the small bag on his stomach is full,it need to be cleaned