Here is the full list of all 10 Never give up! achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
OUR FUTURE TOGETHER
PLANS FOR THE FUTURE
I'M LEAVING SO YOU CAN BE HAPPY
WE'RE TOO DIFFERENT
I'M STAYING WITH YOU
TOGETHER FOREVER
OUR FIRST LOVE
MEET EACH OTHER HALFWAY
MAKE THE FIRST MOVE
MY LOVE SHOULD STAY SECRET