Roy Mai (2011)

In both dramas, there are stories of reincarnation and ghosts. And the original novels were written from the same author

Roy Mai is a love reincarnation love story; similar to Tae Pang Korn. In Tae Pang Korn, the female lead couldn't be together with male lead as she was poisoned to death. They meets again in the next life and able to continue their love story. On the other hand, in Roy Mai, the male lead died first; leaving the female lead to be sorrowful till she died away. However, both of them meets again in the future life and was able to be together again after hurdling many obstacles.

Tae Pang Korn is similar to Roy Mai because of reincarnation theme and obstacles the ML and FL have to overcome beyond 2 lives.

Roy Mai is similar to Buang :
-They are both horror lakorns
-Woman gost wants to take revenge from past life in the new life
-ML and FL reborn as lovers again
-Karma