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 about it.
.لا تقلق بشأن ذلك
Mach dir da mal keine Platte.
No te preocupes por eso.
No le des vueltas.
T’inquiète.
Non farci caso.
Não se importe com isso.
Не заморачивайся.