Director: Yun Jae-yeon
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
Lee Ji-hyeong
Young-sun
Gong Sang-a
Kyung-jin
Jang Eun-sil
Young
Hong Ji-hye
Ji-hye
Moon Jeong-hee
Dance Teacher
Kwak Ji-min
Dance Class Junior
Hong Soo-ah
Sculpture Club Member
Lee Min-jung
Jin-sung's Ballet Dance Double
Joo Eun
Younger Dance Group Member
Lee Ji-yeon
Radio DJ
Jang Woo-jin
Gym Teacher
Ha Ah-rum
Sculpture Club Member
