"Who are you calling a sassy little shit?" Asked the ten foot tall Woman who suddenly appeared behind Chan, possibly being the biggest threat he faced yet! Clearly, she wasn't satisfied with his expressions and or wordplay, likely with his overall approach on this part of the forest as well. Or at least, we can assume she is a she. It's quite possible that ghosts don't have gender or gender limitations, able to switch from one gender to the other with ease! Or appear as men but have a woman's reproductive system, likely the other way around as well. With the lack of research towards this, species... we can't really be certain.