- Both deal with an underrated boy group
- Older woman/Younger man relationship
- A secret romance
- The FL takes really good care of the group (besides one being a manager and one as a housemother)

- Both deal with ghosts and leading them into the afterlife
- Romance between the 2 main leads
- Historical flashbacks (in their past lives)
- Both are Fantasy/Supernatural
- Both main leads are looking their lover in their past life