Park Seong-ah (played by Cho Yi-hyun)
A high schooler with a hidden identity as a shaman. By night, she serves as "Fairy Cheon-ji," helping clients and seeing visions of fate. Her life takes a turn when she foresees Gyeon-woo's imminent death and resolves to save him .
Bae Gyeon-woo / Bongsu (played by Choo Young-woo)
The mysterious transfer student born under ill fortune, marked by destiny for an early demise. In a dramatic twist, he becomes possessed by a spirit named Bongsu later in the series .
Pyo Ji-ho (played by Cha Kang-yoon)
Seong-ah's supportive classmate, who offers both emotional strength and lighthearted relief as the supernatural stakes rise .
Yeom-hwa (played by Choo Ja-hyun)
A shamanic figure entwined in Seong-ah's spiritual destiny. She plays a guiding role in the supernatural struggles and emotional journey .
Kkotdoryeong (Yoon Byung-hee)
A humorous spiritual intermediary who brings some levity to the otherwise intense narrative .
General Dong-cheon (Mother Goddess) (Kim Mi-kyung)
Seong-ah's spiritual guardian or "spirit mother," representing traditional authority in the spirit world .
Gu Do-yeon (Kim Min-joo)
A supportive classmate of Seong-ah, part of her school-life environment .
Grand Aunt & Aunt (Lee Young-ran and Lee Soo-mi)
Older relatives who manage the Heaven and Earth Fairy Shrine, a center of Seong-ah's spiritual life .
Other Minor Roles
Includes characters like the possessed man, water ghost, and others, who appear in early supernatural episodes .