Guinea Pig: Mermaid in the Manhole [32292] Released: 1988-07-25 Revenue: $0 Budget: $5,500 Profit: $-5,500 Runtime: 63 mins Popularity: 3.4935 Vote Average: 5.238 Vote Count: 61 Overview: An artist dealing with the grief of his wife leaving him finds solace in painting the squalor of the sewer. He discovers a trapped mermaid, whom he brings home to heal. Her condition worsens, and she asks the artist to paint her before she dies. Cast [5] Shigeru SaikiThe Artist Mari SomeiThe Mermaid Go RijuMale Neighbor Masami HisamotoFemale Neighbor Tsuyoshi Toshishige Trailers