[OOC]
Backtagging: Of course! Backtagging is always fine, and slow tagging is, too.
Threadhopping: Yes
Fourthwalling: Mistress would take it as a compliment that someone made a comic of her life. 
Offensive subjects: It is fairly hard to offend me, so no problems that I can see. I will let you know politely if there's an issue.

[IC]
Hugging this character:  If your character has a death wish.
Kissing this character:  Mistress might kiss your character. If they're not as useless as the rest of her apprentices.
Flirting with this character: Yes
Fighting with this character: Yes, but there will be consequences.
Injuring this character: Yes, but those consequences will get even worse.
Killing this character: Because of the setting, I'm going to say no.
Using telepathy/mind reading abilities on this character:  Perhaps. This one would need to be plotted out.
Kink list:  Here