Nanaka 6/17

"Nanaka 6/17" follows seventeen-year-old Nanaka Kirisato, a dedicated student who often clashes with her best friend, Nenji Nagihara, a rebellious delinquent. Nanaka's life takes a dramatic turn after a fall down the stairs and a subsequent brain injury. The injury causes her mental age to regress to that of a six-year-old. To protect her, Nanaka's father and Nenji must keep her condition a secret. The series explores Nanaka's struggle to live a normal life while essentially growing up again, navigating the challenges of childhood and adolescence with the support of her father and the unlikely friendship with Nenji. The story focuses on themes of growth, responsibility, and the complexities of relationships.