Responses
On the previous chapter he called her 'mom'. So it might be his real mother
And the one is abusing him is step mom?
Most likely. I gotta re read to make sure tho, since there was never an indication that they're not biological, as far as I know.
Wait wait wait? Whose soul is that?
So, basically he is telling 100 ghost story so that someone's soul can inhabit someone else and in this case Yumma's friend tangled up in this?