1. The story of the heroine who died in an accident and turned into an amnesiac ghost.
2. After the heroine turns into a ghost, she only remembers the hero
3. The male protagonist is a very handsome high school student with facial paralysis
4. The heroine had a two-way secret love with the hero during her lifetime and did not break the window paper.
5. There are not too many supernatural parts, there are private settings
6. The ending will reveal the real murderer