Naver Webtoon will debut “Maengjong,” a prequel spin-off expanding the supernatural world of Korean occult blockbuster “ Exhuma ,” on May 30. The vertical-scroll series comes from Haemuri, the artist behind “Olgami,” known for its densely layered psychological portraiture, and is set before the events of the 2024 film. Its story centers on the high school years of shaman duo Hwarim and Bonggil – the characters brought to screen by Kim Go-eun and Lee Do-hyun – charting how the pair first came