Here is the full list of all 12 Welcome to Jane's Story in the World of Project: Summer Ice (Visual Novel) trophies - 11 gold and 1 platinum.
Awarded after earning all other trophies
Complete Level 9
Complete Level 8
Complete Level 6
Complete Level 7
Complete Level 5
Complete Level 3
Complete Level 4
Complete Level 1
Complete Level 2
Introduce Project: Summer Ice
Meet Jane