White haired guy became some sort of spirit after dying that only mc can see, and when the villagers or people in the palace see him talking by himself they think he's crazy and he starts to think he's crazy and decided to kill himself. Devastated, white haired guy then continue roaming the earth for centuries hoping to see the reincarnation of his lover and then he does and got jealous with how close current shin is with mc, then the accident occured and he didn't try to miss the chance and took over Shin's body.
White haired guy became some sort of spirit after dying that only mc can see, and when the villagers or people in the palace see him talking by himself they think he's crazy and he starts to think he's crazy and decided to kill himself. Devastated, white haired guy then continue roaming the earth for centuries hoping to see the reincarnation of his lover and then he does and got jealous with how close current shin is with mc, then the accident occured and he didn't try to miss the chance and took over Shin's body.