The 13th maiden was not male... A girl claiming to be the 13th maiden shows up before Itsuki. She sets out to confess her love while wearing an outlandish '80s outfit.  However, Itsuki fails to notice, and continues his search.
Yes, but fortunately the 
entrance is still sealed.
.أجل، لكنّ المدخل لا يزال مختومًا لحسن الحظ
Ja, aber glücklicherweise
Sí, pero por suerte,
la entrada aún está sellada.
Sí, pero por suerte,
la entrada aún está sellada.
Oui.
Esatto.
Sim. Mas, para nossa sorte,
a entrada continua selada.
Да, но, к счастью, он по-прежнему 
запечатан на тринадцатом уровне.