Machi happens to take care of Kanata, a son of her father's boss, for three days. Kanata is younger than Machi and a junior high school student. Machi first considered it an easy job. However, Kanata shows somewhat precocious way of behaving, which makes her startled. She wonders if it is a feeling of love!? A long-awaited Kaori's first serial manga has appeared in FC for the first time!!