The story begins five years after the events of the short film, with friends Pig and Fox on the cusp of adulthood as the dark cloud that the dam holds back recedes for the first time. They go out into the world in search of answers about the fog as well as the fate of Pig’s parents — with the unlikely help of Pig’s enemy, Hippo. The film will explore how friendship evolves as characters mature.

Director Robert Kondo notes that the story is inspired by a personal anecdote of Dice Tsutsumi’s. “When we’re eight or ten, the kind of friends we have is different than when we grow up and start to learn about the world and who we are in the world,” says Kondo. “Friendship can change. We think that’s a big part of the progression of our characters—how does friendship evolve?“