In what year was the album “だから、ひとりじゃない” released by Little Glee Monster?

In what year was the album “だから、ひとりじゃない” released by Little Glee Monster?: The album “だから、ひとりじゃない” was released in 2017 by Little Glee Monster, featuring 5 tracks.
What is the most successful song from the album “だから、ひとりじゃない” by Little Glee Monster?: “だから、ひとりじゃない” is the biggest hit from the album “だから、ひとりじゃない” by Little Glee Monster.

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