After the battle inside the Ziggurat, Chizuru and Hayate are horrified to find out that their victory would have cost Koyori her life. They agree to help Tazuna and Koyori, even though they're out of the fight now.  They tell the two of them that in order not to be found in the real world, they need to come up with a name to use inside the Ziggurat when they fight.  After a bit of thought, Tazuna and Koyori's new name becomes "Single Gear".
Today I'll actually use my credit card!
!سأستخدم اليوم بطاقتي الائتمانيّة
Heute werd ich meine
Kreditkarte benutzen!
¡Hoy usaré la tarjeta!
¡Hoy usaré la tarjeta!
J’essayais de me retenir,
E oggi userò la mia carta di credito!
Hoje vou usar meu cartão de crédito!