Gokusen Season 1 Episode 5

Yankumi lost her phone and guest who found it. Sawada Shin. Sawada found the address and wanted to return it but ended up in a house filled with Yakuza. Meanwhile, Kumai met a girl and got smitten and for some reasons ended up with her handkerchief. It didn’t go well for the two finding out that the girl has a boyfriend. Later that day, some students are targeting the girls boyfriend. When they threatened the boy, he ran leaving the girl alone. What will Kuma do knowing that he has no chance against them?