Here is the full list of all 22 A YEAR OF SPRINGS (EU) trophies - there are 8 bronze, 4 silver, 9 gold and 1 platinum.
Unlock all the trophies.
Don't give Manami a birthday present.
Give Manami a birthday present.
Don't go with Erika to the hot springs.
Go with Erika to the hot springs.
Have a good time at the hot springs.
Don't go to the hot springs.
Have a bad time at the hot springs.
Ask if Haru wants to cancel.
Tell Haru the truth.
Do something else for Haru's birthday.
Cancel the spa day.
Have a spa day with Haru.
Spend the day normally.
Watch a movie.
Try to talk to Erika but not Haru.
Try to talk to Haru but not Erika.
Don't talk with Erika on the phone.
Don't talk with Haru on the phone.
Don't answer honestly on the quiz.
Be honest with Tatsuya.
Play the epilogue.