is a song that Japanese musician Miyuki Nakajima composed and recorded for the country's acclaimed television documentary program Project X -Chōsenshatachi-, which aired on NHK during the first half of the 2000s. It was released as a double A-Side single with in July 2000 and reached the number-one spot after 30 months, becoming one of the longest running singles in history of the Japanese Oricon chart started in 1968.
