Artist's name has changed to "zamiiz.tumblr.com," and second link is broken. However, I'm not sure if the artist's old Tumblr itself is malfunctioning, or if it has been entirely deleted. Further information about this subject would be helpful.
EDIT: This information leads me to believe that zamii has deleted her old Tumblr in favor of the new one, meaning that the majority of links to older artwork are dead and don't work anymore. However, it would be great if someone could confirm this with me first, though.
UPDATE: This link to one of the artist's older art sites doesn't work either.