The great thing about YFU programs is that you don't need to know any Japanese before hand. For the summer program, you attend a pre-departure orientation that will split you into groups based upon your Japanese ability and teach you the basics and the culture. As for semester and year-long programs I am not sure what they do in terms of teaching before leaving to Japan, but know Japanese is not a...
I spoke with someone from YFU and they said staying with relatives is not an option. There is a possibility if you request a direct placement with your family members in Japan, but the YFU National Office will have to screen and interview them. If they meet YFU’s standards, then a direct placement can be made. The request isn't a guarantee, but it's worth a shot! Hope this helps!
It was eazy My Dad affods I dont know weather they are availiavle