The Movie King Dotes on the Sweet Mermaid Wife

An underground experimental base in China, on a full moon night. There is a mermaid named Lin Anan inside the completely transparent cylindrical glass. Blue hair, blue eyes, blue tail. It's just that the blue fish tail is covered with interlaced bloody scars, and the weak fan-shaped tail fin is slowly floating with the current. After Lin Anan was drunk and exposed his identity as a mermaid, he was caught by the mysterious organization and imprisoned in this underground base where there is no warm sunshine all day long. In her confusion, she only remembered that this was the seventh branch base she had stayed at. According to accumulated experience, every full moon, the top level of the branch base will be all...