You go back to the other room where Kara has put her clothes back on. She says:
"What was that all about?" she says, looking hurt.
You worry that Kara knows what just happened. But you just say that the landlady wanted the rent.
"But I saw you in there fucking her!" she says, sounding very disappointed.
You explain the whole situation, saying that the landlady and her daughter are trying to get you to be their personal sex slave in exchange for the rent.