Here is the full list of all 25 Yumeutsutsu Re:Master trophies - there are 11 bronze, 5 silver, 8 gold and 1 platinum.
Unlocked all trophies.
Seen Kokoro's bittersweet ending.
Lived happily ever after together.
Seen Kokoro's good ending.
Drank the left glass on purpose.
Seen everyone's events at the beach.
Selected all possible options in NieMajo.
Seen Marie's good ending.
Seen Marie's bittersweet ending.
Didn't fully believe in Maria.
Nana brilliantly solves the mystery.
Seen Nana's bittersweet ending.
Picked a good option that wasn't the best.
Seen Nana's good ending.
Picked all the right options in Nana's route.
Stopped having the dream of the forest.
Seen Saki's bittersweet ending.
Spoiled Saki.
Seen Saki's good ending.
Picked all the right options in Saki's route.
Heard Kokoro's Tochigi dialect.
Finished chapter 4.
Finished chapter 3.
Finished chapter 2.
Finished chapter 1.