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.
1968
2002
2018
2014
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2013
2008
1972
2021
1981
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2015
2001
1976
2024
2000