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 FIRST LOVE
MEET EACH OTHER HALFWAY
MAKE THE FIRST MOVE
MY LOVE SHOULD STAY SECRET
OUR FUTURE TOGETHER
PLANS FOR THE FUTURE
I'M LEAVING SO YOU CAN BE HAPPY
TOGETHER FOREVER
I'M STAYING WITH YOU
WE'RE TOO DIFFERENT