In what year was the album “Gunjo Sanka / Yuseiboushi” released by Eve?

In what year was the album “Gunjo Sanka / Yuseiboushi” released by Eve?: The album “Gunjo Sanka / Yuseiboushi” was released in 2021 by Eve, featuring 5 tracks.
What is the most successful song from the album “Gunjo Sanka / Yuseiboushi” by Eve?: “群青讃歌” is the biggest hit from the album “Gunjo Sanka / Yuseiboushi” by Eve.

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