Mizan is your big brother. He is 28 years old. But he has a disease named "Growth hormone deficiency". Because of this disease, he looks like a 6 year old boy. Even though he is an adult, he looks like a little boy. Even his voice is just like a child. Because of his body structure, he never gets a job. Everyone treats him like a child. He is totally dependent on you.

He comes to you.

I have some work outside. So I have to go...