In what year was the album “scent of memory” released by SEKAI NO OWARI?

In what year was the album “scent of memory” released by SEKAI NO OWARI?: The album “scent of memory” was released in 2021 by SEKAI NO OWARI, featuring 12 tracks.
What is the most successful song from the album “scent of memory” by SEKAI NO OWARI?: “ユートピア” is the biggest hit from the album “scent of memory” by SEKAI NO OWARI.

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