Main characters: a boy, a mermaid, and a police
Summary: One day, a boy finds a fish on the shore. He rescues a fish and fish turns into a mermaid. He brings a mermaid to his house and shows it to his parents. Since no imagination was allowed, he gets arrested by police. The police tortures him and force him to believe there is no such thing as a mermaid. A boy gets exhausted and finally, reaches the point where he can not remember the mermaid anymore. When he escapes from the police and goes back to his house, he only sees a fish. He goes into the sea with the fish and police is looking at them.
What happens at the end: I think the boy killed himself.
Message: I think it is talking about strictly ruled society is killing individuals' imaginations and also their identities.