The monster of the Age of Gods that ravages the sea is the result of a six-legged demi-human sister, the Witch of the South Sea, failing to seal it.
The six-legged demi-human confessed that in order to reseal the monster, he needed to take the virginity of the South Sea Witch, who had become assimilated with the monster, in order to end her lingering feelings…
A fisherman surrenders everything to his inner nuisance and challenges the witch, who has turned into a monster, into mating with all his instincts.