Here is the full list of all 46 The Caligula Effect trophies - there are 40 bronze, 1 silver, 4 gold and 1 platinum.
Cleared Chapter 9.
Cleared Chapter 8.
Completed all of Shogo's Character Episodes.
Completed all of Suzuna's Character Episodes.
Completed all of Izuru's Character Episodes.
Completed all of Kensuke's Character Episodes.
Completed all of Mifue's Character Episodes.
Completed all of Kotaro's Character Episodes.
Completed all of Kotono's Character Episodes.
Completed all of Naruko's Character Episodes.
Cleared Chapter 7.
Cleared Chapter 6.
Cleared Chapter 5.
Cleared Chapter 4.
Cleared Chapter 3.
Cleared Chapter 2.
Cleared Chapter 1.
Performed your first act as a member of the Go-Home Club.
Fought your first battle.
Told μ your name.
Acquired all other trophies.
Formed bonds with 100 close friends.
Solved the mystery of Year 3, Class 1.
Solved the mystery of Year 3, Class 2.
Solved the mystery of Year 3, Class 3.
Solved the mystery of Year 3, Class 4.
Solved the mystery of Year 3, Class 5.
Solved the mystery of Year 3, Class 6.
Solved the mystery of Year 3, Class 7.
Solved the mystery of Year 2, Class 1.
Solved the mystery of Year 2, Class 2.
Solved the mystery of Year 2, Class 3.
Solved the mystery of Year 2, Class 4.
Solved the mystery of Year 2, Class 5.
Solved the mystery of Year 2, Class 6.
Solved the mystery of Year 2, Class 7.
Solved the mystery of Year 1, Class 1.
Solved the mystery of Year 1, Class 2.
Solved the mystery of Year 1, Class 3.
Solved the mystery of Year 1, Class 4.
Solved the mystery of Year 1, Class 5.
Solved the mystery of Year 1, Class 6.
Solved the mystery of Year 1, Class 7.
Solved the mysteries of all 21 classes.
Protagonist reached level 60.
Protagonist reached level 100.