What is the second national anthem?

This is the "Song of Kunisaki Yukito" or "National Anthem" for short. This song was originally Kunisaki Yukito's role song, but it was later misunderstood as the second national anthem. Some people even think that this is the national anthem of Japan.

This song comes from the poem Birds in the Air.

Poetry of Birds ACGN National Anthem:

ACGN national anthem, also called "Poetry of Birds" in Chinese. It is the theme song of the AVG game "Air" (anime version). With the light and comfortable melody, the poem "Birds in the Blue Sky" is vividly interpreted. The word "ACGN national anthem" first includes the praise of the song itself and the admiration of the work "Air".