Yeah,it happens the same for me sometimes,my clit gets sensitive during period but not my vagina ...so I don't want penetration but I feel thirst as fuck.I just want to pleasure someone, no matter sucking a cock or licking a pussy.
But I think penetrating would be a mess,sorry.And we always have anal(although I haven't tried during that time)

The only time I have done it was not particularly pleasant but she was extremely tight and I enjoyed have an a mark on my dick showing exactly how deep she was able to take it. I think Mutt may have the right idea.