In what year was the album “period” released by 清水翔太?

In what year was the album “period” released by 清水翔太?: The album “period” was released in 2020 by 清水翔太, featuring 10 tracks.
What is the most successful song from the album “period” by 清水翔太?: “Princess” is the biggest hit from the album “period” by 清水翔太.

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