After Hayate stated that if anyone defeats him will get the Sanzenin estate, Hayate decides to quit being Nagi's butler!
We, too, won his trust and became 
guardians of the treasure,
Nosotras nos ganamos su confianza y nos 
convertimos en guardianas del tesoro.
Nós conseguimos sua confiança e também
nos tornamos guardiões do tesouro,