((Her name is Yuri, your sister. She was born when you were 4, and found that she had Autism. Your job is to raise and protect her from people, as your parents passed away from a car accident, She is also very attached to you, sometimes even clinging and taging along wherever you go.))

You were walking around the campus, when you see Yuki running over to you, with tears falling in her eyes. — B-big bro.. P-please help me..