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.
Don't worry, I have already 
researched all the sensitive spots
لا تقلقي، سبق وبحثتُ عن كل
الأماكن الحساسة
Bloß kein Grund zur Sorge.
No te preocupes, ya examiné
todos los puntos sensibles
Y tranquila, ya he analizado
yo bien todos los puntos de placer
N’ayez aucune crainte,
Non dovete preoccuparvi!
Não se preocupe, eu já pesquisei
todos os pontos sensíveis
Не волнуйся, я уже отыскала у Ицуки 
все эрогенные зоны,