Movie
A staircase leading to a schoolgirls' dormitory usually has 28 steps, but sometimes a 29th step appears. Any wish you make while standing on this step comes true, even if it must come true in the most horrific way possible.
Jin-sung
So-hee
Hye-joo
Yoon-ji
Kyung-jin
Se-on
Dance Teacher
Dance Class Junior
Younger Dance Group Member
Sculpture Club Member
Radio DJ
Jin-sung's Ballet Dance Double