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