To get the now-childlike Mona onto their team officially, G-Wrench and the team visit league registration. It's revealed that Mona can use a Fight Burst, but doesn't remember how to do it. As Kara's suspicions grow, Professor Pi's team Q.E.D. challenges them to a match.
And as she declared before, 
first for Q.E.D. is Piers!
وكما سبقَ وأعلنت، الأولى من طرف
!كيو إي دي" هي بيرز"
Bei Q.E.D. ist es, wie angekündigt, Pairs!
¡Y como declaró,
la primera de Q.E.D. es Piers!
¡Y, como declaró,
la primera de Q.E.D. es Piers!
Du côté de CQFD,
comme prévu, c’est Piers.
Per i Q.E.D. invece abbiamo Piers,
proprio come annunciato!
Como ela havia declarado, a primeira
 lutadora do Q.E.D. é a Piers!
Из «Ч.Т.Д.» —
как и обещали, Лезвие,