Responses
yeah they are the same person, Julie disguised as 'Sarah' to approached Kyoko. I think when Ren saw the photo and Kyoko introduced her as Sarah, then surprised Ren said 'Sarah?' it's just an expression like 'Sarah who, she is my mother'.
ohhhhh ok gotchu thanks for explaining!
So who's sarah and who's julie? aren't they both the person whos at the amusement park with kyoko right now? why are there 2 names....