The story about music, new experiences and tragic future. Lingering Echoes returns and the annoying beams that help from some enemies while others will use it against you.

LE-7: Semi-Synthetic Solvent
LE-6: Grindstone
LE-5: Sugar Pack

Farming efficiency: Sugar > Grindstone > Solvent.
Again thanks to Gamepress for all the calculations.
Returning Players:

The following stages should be cleared for certs: LE-1, LE-2, LE-3, LE-4, LE-5, LE-6, LE-7, LE-8, LE-EX-8-CM