"Natural Cock-a-doodle-doo"), is a Japanese slice of life manga series written and illustrated by Fusako Kuramochi.

One of six students in a combined primary and junior high school, Soyo Migita (Kaho) is the most senior pupil.

For her, school is a joyful experience with an extended family of loving little brothers and sisters, but her days as the tallest and oldest student are soon to be over.

Hiromi Osawa (Masaki Okada), a cool boy from Tokyo, arrives in the village.

Attracted to him, Soyo tries to ignore the feelings that begin to occupy her heart and mind.