1x7 - Gokusen

It is a parent's teacher conference and facing the students parents is as exhausting as facing the students themselves. Meanwhile, class 3-D is admiring a cute girl waiting in front of there school only to find out that she's Sawadas little sister. Yankumi found out that Sawada lives alone while his sister lives with her parents. He left for his father and him couldn't get along. Later the following days, his sister got in trouble and to save her. he put himself into serious trouble. What will Yankumi do when Sawadas father doesn't care at all?