Because of his father's work, the hero, Xi Jiexun, needs to transfer schools from an early age. In the early summer of 1966, Kaoru transferred from Yokosuka in the city to Nagasaki in the countryside. As I have been constantly changing schools since primary school, I began to feel pressure in adapting to the new environment, and now I will feel nauseous because of a little pressure. But in the new school, Kaoru met a bad teenager in the same class, Chitaro Kawabata, and met Rizi with his childhood sweetheart, and the four of them began to grow up with friends, love, and jazz.