Koji Shiraishi is interested in an indiscriminate attack at a sightseeing resort. He interviews the survivors and starts investigating the strange events that have been happening to them.
On a beach, Masao remembers the summer romance between him and Tatsuya. Part of the "Rose Tribe" trilogy that launched gay pink film in 1982.
Bizarre love triangle about a girl, Yuki who transforms into a tentacled creature that feasts on human blood. She manipulates the guilt-ridden Fumio to do her bidding, only for a strange romance to blossom between them.
