What is the end of chocolate's cool youth? Please help the young ladies who have seen it, including the death of Wen Ming's mother. What role did chocolate play?

Wen Ming's mother accidentally fell down the stairs because she was scared by Xu Yang's father's yelling. Chocolate helped Shinohara find his briefcase, and Xu Yang found evidence of his father's smuggling. Although it was concealed, it was finally found by the police. When the fathers went to prison, Xu Yang finally went to his grandmother's house in the countryside. . . Seek adoption