Nanaka 6/17 (Nanaka Juu-nanabun no Roku) ? 12 episodes + 1 special anime series (2003). Nanaka is a 17 girl. She is angry at Nenji, her childhood friend, because he is becoming a bad boy. But she falls in stairs and when she awakes Nanaka has lost her memories and thinks she is a 6 years old girl. When she was a child Nanaka has lost her mother, in order to become a grown up faster Nenji and her cast a spell like they saw in Nanaka's favorite anime 'Magical Domiko'. Now Nanaka thinks all this works and Nenji is also a child in a 17 years body. Nenji will help Nanaka in her everydays life because she may have troubles in high school if they discover the truth.