After picking a partner, the campers are informed they will have to play against each other.  This causes strife as Seigaku’s golden pair are going to play for who gets to stay at camp.
The tone of your voice drops 
slightly when you use a trick.
Cuando usas tus trucos, 
bajas el tono de tu voz.
Cuando intentas hacer algún truquito de los tuyos, hablas más bajo.
O tom da sua voz fica um pouco mais 
grave quando você usa um truque.