I find it hard to see her as a villianess when the artist takes such pains to make her look more like the "little sister" or "the girl next door" tropes.
Classic 'I am in the body of villainess but I'm barely evil at all' but thankfully Giselle isn't all useless and she's also funny, so I end up binged it
the poison concept is barely used but other than that its a wholesome read (most of the time), kind of like a slice of life, slow romance, action, and comedy story