can anyone tell me .. why FSN is rated 18+???

game got any sex scene meh?? showing them having sex or wut??

1)What is saber height??? I saw wikipedia there say 154cm ... O.O got so short??? Are they sure??? Its like 1 head + if a 170+cm stand next to her ....[do you like girls heigh 150+cm XD]

2)How old is she???

3) According to the story, shes a female version of king arthur.... which means shes british ... How come a british girl know how to speak japanese leh X)

4) Why do they call her King instead of Queen?

5)Who do you prefer [Rin,Saber,Illyasviel, sakura??]

6)If the FNS ending shows that she died when she close her eye.... then how come i heard got dark saber one??