Nanaka 6/17

Seventeen-year-old Nanaka Kirisato is a dedicated high school student with a strong focus on her academic ambitions. Often exasperated by her best friend, Nenji Nagihara, she tends to scold him for his reckless behavior and penchant for getting into fights. However, after a particularly intense disagreement with Nenji, a fall from a flight of stairs leads to a life-altering brain injury that causes Nanaka to regress to the mindset of a six-year-old.

As her father and Nenji navigate the challenges of keeping her condition hidden, they must also help Nanaka adapt to her new reality. This unexpected turn of events forces them to confront their own emotions and the complexities of growing up, all while trying to maintain a semblance of normalcy in her life. Amid the humor and heartwarming moments, the trio discovers the importance of friendship and personal growth in the face of adversity.