[quote=@Nanashi Ninanai]
MIKOOON~

It's always nice to have Evil Fox around. This Tamamo doesn't know Hakuno, right?
[/quote]

Sadly, no Servants other than the cheater (aka Arthuria) should remember anything of anywhere or anytime they were summoned, right? I feel it's one of the worse points of the whole franchise since it takes some nice character developments and throw it out of the window, but, such is life.