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.
How long are you going to keep up the act?
¿Cuánto más piensas 
seguir fingiendo jugar mal?
¿Hasta cuándo vas a seguir fingiendo?
Até quando você vai manter essa farsa?