- Voice Actor (CV)
- Rie Murakawa
- Role
- Supporting
- Identity
- A third-year sprinter at Kawagoe Municipal Third Middle School and one of Mizuno Akane's closest companions
Personality
Innocent and carefree
Cheerful and energetic
Socially gifted
Emotionally honest
Chinatsu Nishio stands out as a talented sprinter on the track and field team, forming an inseparable trio with Akane Mizuno and Aoi Takizawa among the third-year athletes. Her bubbly personality and natural charm have earned her popularity across the entire student body. When unexpected feelings for male lead Kotaro Azumi begin to take root, Chinatsu faces a profound dilemma — choosing between loyalty to her best friend and the courage to follow her heart. Her bold confession becomes a pivotal moment that intensifies the story's emotional conflicts.