It's the same old club room, but the vibe between Io and Ryuu has changed. Have they had a fight? But then again, the others reason, they didn't get along very well back when they first joined the club... Then, when a fight breaks out, the cold war between the two second-years ends up getting the Battle Lovers in big trouble!
You could run a calculation like 
that in a split second, right?
Gerade solche Berechnungen
sind doch deine Stärke.
Podrías hacer un cálculo
así en un momento.
Podrías hacer un análisis
así en un momento.
Les calculs, c’est ton truc.
Puoi fare un calcolo del genere in un istante, no?
Você consegue calcular coisas
  desse tipo em segundos, né?