In addition to shaking his world-view, Keiki's encounters with the abnormal have led him to conclude that neither Sayuki nor Yuika are the elusive Cinderella. Through process of elimination, the only one remaining is Mao.
If neither Sayuki-senpai nor
Yuika-chan are Cinderella,
Wenn weder Sayuki
noch Yuika Cinderella sind,
Si ni Sayuki ni Yuika son Cenicienta,
entonces la candidata que queda…
Se nem Sayuki-senpai nem
Yuika-chan são a Cinderela,