Other Names: Nanaka Juu-nanabun no Roku
Air Span: Jan 9, 2003 to Mar 27, 2003
Air Status: Finished Airing
Premiered: Winter, 2003
Episode Duration (Avg): 25 min. per ep.
# Episodes: 12
TV Rating: PG-13
Seventeen-year-old Nanaka Kirisato is a high school student serious about her studies and goals in life. She frequently criticizes her best friend, Nenji Nagihara, for being a childish delinquent who spends his time fighting other boys. Then one day, after a heated argument with Nenji, she falls off a flight of stairs and suffers a brain injury, resulting in her mind reverting to that of a six-year-old. With this in mind, Nanaka's father and Nenji must keep her injury a secret as she struggles to live a normal life and grow up all over again.