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