Nanaka reverts back to six years old; the next day at school, the class demands that she announces the cast members for the play. Seventeen Nanaka has finished writing the play, but six year old Nanaka has no idea about the play.
Nenji has a cold, and Nanaka who's dressed up as a nurse visits him at his home to take care of him. Amemiya and Kuriko also show up. They're all supposedly taking care of Nenji but he only gets sicker and sicker around these girls.
Nenji, Nanaka and the others visit Kyoto for a school trip. They walk around town and agree if anyone gets lost to meet in front of the big cherry blossom tree. Nanaki ends up lost and walks around searching for the others.
Nenji saves a kindergarten student being bullied by a high school delinquent. Now the girl, Kuriko, is in love with Nenji. Kuriko's mother tells Nenji that he looks just like her older brother who left to America to study 6 months ago.
Seventeen-year-old Nanaka Kirisato is a very serious high school student. She frequently criticizes her childhood friend, Nenji Nagihara, for being a childish delinquent who spends his time fighting other boys.