Seeing Otako with feminine pads, Galko asks if she prefer pads over tampons.
Otako answers she should be using tampons, but she’s reluctant to put it in there.
While the two agrees wholeheartedly, Ojou appears carrying a tampon.
Well, it's the different body structures...
يعود هذا لاختلاف تركيب أجسادهن
Nun … Wegen der
anderen Körperstruktur …
Porque nuestros cuerpos son diferentes.
Porque nuestros cuerpos son diferentes.
C’est… Car la structure
de nos corps est différente…
Beh, per via della diversa anatomia...
Pois bem, por causa da 
diferença estrutural do corpo.