The 1st Level Cap set increases the level cap for main characters by 300 levels! On top of that, new battles are added to the Colosseum. (Suggested Level 100-399)

Level Cap increased for the following characters::
Neptune/Noire/Blanc/Vert
Nepgear/Uni/Rom/Ram
Uzume/Older Neptune/IF/Compa
B-Sha/C-Sha/S-Sha/K-Sha

Battles Added:
- "That" Ball
- Challenge From Vermili Gym Delegate
- Cross Jammer
- Duel Shock
- Invading Squeed Aliens
- Tokimeki Memory
- It's Hard for Unpopular Men
- Gamindustri's Dark Demon
- Charge on Titans
- Freelance Job Starting With "Y"

More details on the official game page of 1st Level Cap Set ...