In both premises the protagonist's soul is given the change to live again inside someone's body if they complete a certain task given them by a higher entity. Both get to rethink the repercussions of their actions on others in their previous lives. Both have very dramatic moments.
In both stories the protagonists try to survive fighting against evil mutans and in both one of the mutans is an emo boy who decides to be "a good guy" and helps people against other mutants. Both leads are extremely powerful. Their eyes change when they go into the "fighting mode".
In both movies the protagonists have supernatural powers after the experiments on them (such as extreme force, wound immunity etc... )There are some violent and splatter scenes.
In both series a man who can stop time meets a woman unaffected by time and it turns out they share something in common.
The movie is similar to episode 8 of Shan Ye Yi Si (love story between a virgin scolar and the ghost seducing him) . The finale is VERY different.
In both the scientists have discovered a way to read the memories of the deceased and use it to solve a mystery by linking their brain to that of even a criminal. In both the procedure has negative side effects and can be done only using someone with a strong mind. Both brought up the problem of the unreliability of humans' memories, since we can distort the facts. In both the protagonist has hallucinations.
Both dramas are about someone shooting a documentary about a couple with their ups and downs both from from high school days and from adulthood.
In both dramas the ML is younger than the FL. The FL at first sees him only as a boy and doesn't consider him as a possible male partner because of the age. The ML falls in love with her first and tries to make her love him back and see him as an adult.
Both dramas are about a mysterious and cruel survival game with money prizes. Die Now is more sci-fi themed.
In both movies the protagonist has the special ability to "see death" and in some cases try to save people.
In both dramas the mysterious, dark protagonist enters someone's dream to help them and takes the courageous female lead with him.
In both dramas the characters enter someone's dream to help them. . . nothing to add............................................................................................................................................................