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.

• CJ Entertainment
• Cinema Service
• Song Ji-hyo
• Park Han-byul
• Jo An
• Park Ji-yeon
• Lee Ji-hyeong
• Gong Sang-a
• Jang Eun-sil
• Hong Ji-hye