Metamorphosis (Original title: 변신, Hanja: 變身, Byeonshin) is a 2019 South Korean supernatural horror film written and directed by Kim Hong-seon and starring Bae Seong-woo, Sung Dong-il, Jang Young-nam, Kim Hye-jun, Cho Yi-hyun, and Kim Kang-hoon.

[2] When a troubled family moves into a new house because their pastor uncle was accused of murdering a child, things do not add up from the very beginning.

Patrick Brennan of Dread Central wrote, "Though visually inventive at times, Metamorphosis ultimately feels far too familiar to standout from the rest of the exorcism entries in horror today.

"[3] Scott Weinberg of Thrillist added, " A bit too long and beholden to similar possession flicks, but there's still some impressive filmmaking here.

"[4] William Schwartz of HanCinema wrote that while the film is "not particularly original", it "makes the smart decision to portray the spirit as a fairly mundane problem which exorcists deal with the same way a plumber might deal with a clogged pipe", and called the tension "absolutely superb" and the imagery "disturbing yet distinctly the work of a mortal hand, which makes it all the creepier.