Here is the full list of all 46 Conception PLUS: Maidens of the Twelve Stars trophies - there are 35 bronze, 7 silver, 3 gold and 1 platinum.
Complete Harem ending.
Complete Femiruna's ending.
Complete Ruka's ending.
Complete Lillith's ending.
Complete Sue's ending.
Complete Tarua's ending.
Complete Mirei's ending.
Complete Reone's ending.
Complete Farun's ending.
Complete Collette's ending.
Complete Yuzuha's ending.
Complete Alfie's ending.
Complete Arie's ending.
Obtain all weapons.
Obtain all accessories.
Complete Normal ending.
Complete main scenario.
Complete Mahiru's ending.
Clear 12 Constellation Labyrinths.
Use all Team Colors.
Give birth to a Star Child of each class.
Give birth to the special class "Ninja."
Give birth to 200 Star Children.
Complete a total of 100 Chain Combos.
Perform the Tri-Mating ritual.
Have 100 Star Children go independent.
Give birth to the special class "Bondsman."
Give birth to the special class "Dungeon Master."
Clear 6 Constellation Labyrinths.
Clear 4 Constellation Labyrinths.
Clear 3 Constellation Labyrinths.
Clear 2 Constellation Labyrinths.
Have 25 Star Children go independent.
Give birth to the special class "Sage."
MECUNITE a total of 10 times.
Visited the Map Point "Gift Shop."
Visited the Map Point "Scavenger."
Visited the Map Point "Day Camp."
Clear 1 Constellation Labyrinth.
Complete a total of 8 Chain Combos.
Insta-kill 100 Impurities.
Give birth to 12 Star Children.
Give birth to your first Star Child.
Obtain all trophies.
Complete all quests.
Obtain all armor.