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Season 1

In 2017, Son O-gong and Devil King Woo are in conflict with each other as they look for a true light in a dark world where evil thrives. From there, O-gong is bound to his protective role towards Jin Seon-mi, the little girl he had met years ago. Having made a contract with Seon-mi 25 years ago, entitling her to seek help from O-gong whenever she calls him in exchange for letting him free, the two meet again in a fateful encounter.

Release : December 23, 2017

Total Eps : 20

Rating : 5.00

Credits

Lee Seung-gi

Lee Seung-gi ( 이승기 )

Son O-gong

Cha Seung-won

Cha Seung-won ( 차승원 )

Devil King Woo / Woo Hwi

Oh Yeon-seo

Oh Yeon-seo ( 오연서 )

Jin Seon-mi / Samjang

Lee Hong-gi

Lee Hong-gi ( 이홍기 )

Jeo Pal-kye / PK

Jang Gwang

Jang Gwang ( 장광 )

Sa O-jeong / Yun Dae-shik

Lee El

Lee El ( 이엘 )

Ms. Ma Ji-young

Lee Se-young

Lee Se-young ( 이세영 )

Jung Se-ra / Zombie / Jin Richie / Asanyeo

Kim Sung-oh

Kim Sung-oh ( 김성오 )

Lee Han-ju

Sung Hyuk

Sung Hyuk ( 성혁 )

General Winter / Summer Fairy

Yoon Bo-ra

Yoon Bo-ra ( 윤보라 )

Alice / Jade Dragon

Sung Ji-ru

Sung Ji-ru ( 성지루 )

Master Subori

Jung Jae-won

Jung Jae-won ( Jung Jae-won )

Hong Hae-a

Kal So-won

Kal So-won ( 갈소원 )

Young Jin Seon-mi

Song Jong-ho

Song Jong-ho ( 송종호 )

Kang Dae-seong

Kim Ji-soo

Kim Ji-soo ( 김지수 )

Na Chal-nyeo / Ja-eun

Michael K. Lee

Michael K. Lee ( Michael K. Lee )

Jonathan

All Episode