The Haunted House Special: The Vampire of Light and the Child of Darkness

The Haunted House Special: The Vampire of Light and the Child of Darkness (신비아파트 특별판: 빛의 뱀파이어와 어둠의 아이) is a South Korean animated television special directed by Seok Jong-seo for the streaming service TVING, based on the franchise The Haunted House. This is the first franchise to be a OVA. The special episode was produced by Studio BAZOOKA, The Haunted House Special: The Vampire of Light and the Child of Darkness was released on TVING on December 22, 2021. The special episode takes place between the events of the seasons 3 and 4, following Leon Raymond where his teacher becoming a vampire and mind controlled by Barlow.

Voice cast

 * Myung-jun Kim as Leon Raymond
 * Shin Yong-woo as Kang-lim Choi
 * Choi Seung-hoon as Ian
 * Jo Hyeon-jeong as Shinbi
 * Park Shi-yoon as Sara
 * Kim Ki-hyun as Barlow
 * Lee Hyun as Luman

Release
The Haunted House Special: The Vampire of Light and the Child of Darkness was released on December 22, 2021, on TVING, and later the special episode was aired on cable network Tooniverse on February 24, 2022.

Production
During in the Children's Day special event in May, 2021 as a teaser, Tooniverse announced that this series is going to be a special episode of OVAs from the OTT streaming platform TVING, as they mentioned, Leon talks to Heewon about his teacher name, Luman happened to him to become a vampire since he was a child in the Season 2 of second part, episode 7.

The original soundtrack opening "The Secret" and ending "To a Friend" was performed by the Korean singer Seongjin Shin and Arin Shin.