Little Glee Monster will release their first best-of album "GRADATI∞N" on January 20. 

The album will be a three-disc set including 16 already released songs and two brand new numbers. It will be available for purchase in three different types: Limited Edition A, Limited Edition B, and Regular Edition. The track list will be revealed later, but the jacket artwork, as seen below, was illustrated by illustrator and artist Ushiki Masanori. 

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[Limited Edition A]

[Limited Edition B]

[Regular Edition]