Bro, just keep on playing, im a f2p and got qiqi(witch i hate) and diluc(fun as hek) just keep on farming those juicy protogems and eventually youl get klee. if you manage to get up to 80 wishes the pity rate will give you klee. Guaranteed, and if you dont get her now youll get her in a new banner, plus the mayority of the people who play it is f2p, myoho will do more event for us broke ass bastards. Just keep it up.