Nagisa had insisted on supporting Saki on the hot spring vacation, but when Saki confronts her about it, she begins to speak her mind.
Do you honestly think you 
can make these two happy?
أتعتقد حقا أنه في مقدورك جعلهما سعيدتين؟
¿De verdad crees que puedes
hacerlas felices a las dos?
¿De verdad crees que puedes
hacerlas felices a las dos?
pensi davvero di poterle rendere felici entrambe?
Você acha mesmo que será
capaz de fazer essas duas felizes?