1. "Lee Dong-wook", the messenger from the underworld who has lost his past memories
For this character, netizens guess that in his previous life, he was the young king who listened to the words of the traitor and led to his death. . Although Lee Dong Wook's character in the play has always been the "Messenger of the Underworld", during the casting process, the character's name was "Wang Yu (?)" who has a royal surname. And it is possible that the king believed the slander and killed someone, so in order to atone for his sin, the "Absolute One" made him lose his memory and became the messenger of the underworld.
After Gong Yoo became a ghost, he went back to take revenge, but by then the king was already dead, wrapped in a shroud and did not show his face, so netizens speculated that Lee Dong Wook's face might appear in the future.
2. Fried chicken shop owner "Yoo In Na"
First of all, Gong Yoo's name in the drama is Kim Shin, and Yoo In Na's name is sunny. Some netizens pointed out that when interviewing actors at that time, Yoo In Na The character's name is "Jin Shan", so it is speculated that the two are brother and sister. If this relationship is true, then Yoo In Na is the young princess of the Goryeo Dynasty played by Kim So Hyun.
In particular, the princess was wearing a jade ring on her hand when she was killed. This ring was picked up from the stall by Yoo In Na in modern times, and Lee Dong Wook, the messenger of the underworld who lost his memory, cried when he saw Yoo In Na. It’s probably “Kim So Hyun = Yoo In Na”.
3. "Yuk Sung-jae", the 13th generation rich third generation who serves ghosts
In the play, Yook Sing-jae knew that Gong Yoo was a ghost, and he was not surprised when he found out that Lee Dong-wook was the messenger of the underworld. Therefore, netizens speculated that he might be the "Absolute". The Absolute is the god who made Gong Yoo a ghost and lived for thousands of years, and made Lee Dong Wook lose his memory and become a messenger from the underworld to atone for his sins.
Netizens also speculated that in order to resolve the bad relationship between Gong Yoo and Lee Dong Wook, the "Absolute One" possessed the first generation of servants who served Gong Yoo and has survived ever since.
And judging from the fact that he knew "Grandma the Mountain God" and took away Chi Enzhuo's maple leaf, it is very likely that "Yuk Singcai = the absolute one".