Mina goes grocery shopping with Mamoru, and spends time teaching him written Japanese. The bond developing between these two comes as a surprise to Takuma, who isn't entirely sure how to react.
It is a mystery. 
Perhaps they made two by mistake.
‫هذا غامض.
‫ربما صنعوا اثنان بالخطأ.
zwei Zeichen dafür gemacht.
Es un misterio. Imagino que se
equivocaron e hicieron dos.
Es un misterio. Imagino que se
equivocaron e hicieron dos.
BONNE QUESTION. C’EST SANS DOUTE
UNE ERREUR D’INATTENTION.
È un mistero.
 Forse ne hanno creati due per errore.
É um mistério. Talvez tenham
feito duas por engano.
Загадка. Наверно, по ошибке два придумали.