A classmate who leads Aoyama and Uchida to the mysterious water sphere, which she calls the sea. She warns Suzuki about it and later enters the restricted forest area. Her father disappears during a storm caused by the sphere's expansion, and she is eventually rescued in a distorted future timeline.
School peers who share a curiosity for the mysterious penguins.
Father-daughter bond centered around the forest research.
Fellow student with a tense, warning-based interaction.
Explore the full interactive character relationship map of Penguin Highway