Aoyama's classmate who discovers a penguin named Penta on the school rooftop. He accompanies Aoyama to investigate the mysterious water sphere in the forest, frequently acts as a target for Suzuki's bullying, and supports the exploration of the supernatural phenomena throughout the story.
School peers who share a curiosity for the mysterious penguins.
Antagonistic dynamic where Suzuki harasses Uchida.
Uchida's actions directly interact with the father's scientific study.
Explore the full interactive character relationship map of Penguin Highway