This download has four difficulties: Easy 2★ Normal 4★ Hard 6★ Extreme 7.5★
Easy and Normal are Console style charts, while Hard and Extreme have are a mix of Console and Arcade (excluding arcade multi notes).
This is the Game Size version of the song "Graduation Song ~Pieces of Memory~" by Kitkit Lu. It was featured in the popular rhythm game "VOEZ" (available on Mobile Phones and Nintendo Switch).