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