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