Actor and singer Lee Jun Ki is participating in "Arang and the Magistrate" OST.

It's been reported MBC Wed-Thursday drama "Arang and the Magistrate" OST "One Day" recording is completed by Lee Jun Ki.

The song "One Day" was released on Wednesday.

The drama is getting a lot of love with their OST such as Beak Ji Young's "Love and Love," Yoon Do Hyun and Shin Min Ah's "My Secret Dream," Jang Jane's "Fantasy," and Kim Bokyung's "Surprised."

Lee Jun Ki is playing Eunoh in the drama with Arang part Shin Min Ah, finding the mystery of her mother's path.