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