I don't think most of the comments here knows waht it means immortality!
It's abnormal, painful and scary, and noah thinks he is doing what is the best for her, and the mc knows it ( even if his ways are twisted)
For now the ml doesn't know all the shits that going on and NEED to chatch up on it fast , and find a way to save the girl from her curse 1st THEN THE ROMANCE CAN BEGIN!