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Every day you play, your Grind Time bubble gets +10 LVs (max level 15; the first level costs 10, then x1.25 per level)

Adds a new bonus to your Tome's Epilogue in World 4, which goes up with your Tome Score! (max level 10; the first level costs 15, then x1.75 per level)

Adds a new mini 'Ninja Knowledge' upgrade, level it up with your Jade! (max level 12; the first level costs 10, then x1.65 per level)

The Gallery gives +3% higher bonuses, and has +1 more slots for Trophies (max level 10; the first level costs 40, then x1.6 per level)