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.
Song Ji-hyo
Jin-sung
Park Han-byul
So-hee
Jo An
Hye-joo
Park Ji-yeon
Yoon-ji
Gong Sang-a
Kyung-jin
Lee Mi-yeon
Se-on
Moon Jeong-hee
Dance Teacher
Kwak Ji-min
Dance Class Junior
