Wielding a light-up sword through the dark corners of a high school, a nurse with an unusual gift protects students from monsters only she can see.
Ahn Eun-young
Hong In-pyo
Oh Seung-gwon
Seong A-ra
Lee Ji-hyeong
Jang Radi
Heo Wan-su
Kang Min-u
Oh Gyeong-hwa
High School Student
Hwa-su
Hoop Squid
Han A-reum
Baek Hye-min
Mackenzie
Choi Yoo-jin
Principal
Hwang Ga-young
Hong Jin-beom
Kim Kang-sun
Basketball player 1
Basketball player 3
English teacher
Ahn Eun-young (teen)