Here is the full list of all 45 Hyperdimension Neptunia Re;Birth1 (JP) trophies - there are 24 bronze, 19 silver, 1 gold and 1 platinum.
Neptune Re;Birth1 Master
Obtained 1 billion credits
Rom reached level 99
Ram reached level 99
Uni reached level 99
Nepgear reached level 99
Rom, Ram joined your party
Uni joined your party
Nepgear joined your party
Watched the true Ending
Watched the normal Ending
Chapter 8 Cleared
Tekken reached level 99
Broccoli reached level 99
Cyberconnect2 reached level 99
You made made 100 different items
Falcom reached level 99
Chapter 7 Cleared
Chapter 6 Cleared
Noire reached level 99
Marvelous AQL reached level 99
Mages. reached level 99
Blanc reached level 99
Vert reached level 99
Compa reached level 99
IF reached level 99
Neptune reached level 99
Chapter 5 Cleared
Chapter 4 Cleared
100Hits combo
Inflicted more than 100,000 damage points to an enemy
Chapter 3 Cleared
Chapter 2 Cleared
Won 500 fights
Disk-make
You made your first combo!
First transformation
Chapter 1 Cleared
Equiped a new processor unit
You cleared you for first quest
You bought your first items
Remake-sytem
You made your first item
You fought your first battle
..and the story begins