ACRI: The Legend of Homo-Aquarellius

ACRI: The Legend of Homo-Aquarellius (1996) is a fantasy, romance, horror directed by Tatsuya Ishii rated 10.0/10.

A scientist desperately wanting to prove that mermaids exist is ostracized from the scientific community in Japan. He settles down in Australia steadfast on his hypothesis. When a Japanese student visits him in Australia with strange questions about mermaids, how the young man survived in the ocean, and why he doesn't remember anything.