God its hard to deiced which of the two are worse, although I kinda blame the guy for all of this to be honest.
If he had just said no or put up even a bit of a fight he wouldn't be in situation.
Thanks everyone over at Colon-P Scans for the translation
Ok so, what I understood is that the girl blackmailed the guy into hypnotizing her into not revealing the fact that he was never hypnotized to his sister, with the condition that she would "belong to him" and vise versa