Here is the full list of all 39 Hyperdimension Neptunia: Producing Perfection trophies - there are 22 bronze, 12 silver, 4 gold and 1 platinum.
You got all the trophies. Nice.
All the characters made an appearance.
You've seen Vert's BAD ending. "Your directions were rather uninspired."
You've mastered Vert's route. "You played this game so seriously that it has moved me. It was a long road for you, but are you satisfied? I look forward to seeing you again."
Obtained all costumes and accessories.
You've seen Vert's TRUE ending. "What instance shall we challenge today?"
You've seen Blanc's BAD ending. "Enough. Leave me alone."
You've mastered Blanc's route. "Thanks to you, my route has been completed. I didn't think you could pull it off. I'll consider you the second Oracle of Lowee."
You've seen Blanc's TRUE ending. "I'll be waiting for your response."
You've mastered Noire's route. "H-Hmph. You worked hard, so I don't mind recognizing you a little bit. But only a little bit! Don't take it the wrong way."
You've seen Noire's BAD ending. "This happened because you didn't listen to me!"
You've seen Noire's TRUE ending. "Y-You have lipstick on your face!"
You've mastered Neptune's route. "So you think you've seen all the events, huh? But!!! A second and third hidden event...don't actually exist. You're done. Good job. Seriously, thank you!"
You've seen Neptune's TRUE ending. "How was breakfast, buddy?"
You've seen Neptune's BAD ending. "Well, it is what it is. Sorry."
You've seen Vert's GOOD ending. "Well done, but keep trying!"
Vert's affection has maxed out. "To think I would love something more than games...!"
You've seen Blanc's GOOD ending. "This is no more than a passing mark. Keep trying."
Blanc's affection has maxed out. "My face is red. Maybe I'm cold, or maybe I have a fever."
You've seen Noire's GOOD ending. "There are other endings to get. Just look at this list."
Put on 50 concerts.
Noire's affection has maxed out. "Wh-What is this foreign feeling...?"
Your song was ranked number one.
Formed your first trio.
Mastered all the songs.
You've seen Neptune's GOOD ending. "GOOD job, buddy! Now keep playing!"
You've taken a majority of the shares.
You traveled to another nation.
You went out to play.
Neptune's affection has maxed out. "Oh man, my heart is doing backflips or something!"
Formed your first duo.
You overcame a difficult situation...
Obtained the highest ranking at a concert.
You put on your debut concert.
You got pummeled by the little sister crew.
You went on your first job.
You attended your first lesson.
Got up-close and personal with a character.
You started the game! Way to go!