Haven't you met the supreme lord of death level 9000?
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It's probably not what DPC has in mind, but I have some decent ideas on how I would continue Nora's story.
In episode 10 MC goes to Nora's place, she drops the bomb that she wants kids, MC cums inside her and Fluffy the demon cat shows her disapproval. Soon after Nora finds MC in the class she is going to teach and on Thanksgiving she ends the relationship.
I know I'm not the only one who speculates that she got pregnant. I'm not sure how many of us have put two and two together and concluded that between the creampie and TG there is enough time for Nora to have missed a period and take a pregnancy test. The situation may not be ideal, but on the whole she is happy about becoming a mother. She doesn't however want to force fatherhood onto MC so she cuts him off and plans to keep him in the dark. The class should be done long before the bump starts showing.
That much is plausible speculation. This is the twist I have in mind: Nora didn't get pregnant. She had an off month, the pregnancy test was a false positive and she has her period normally mid December. Her disappointment is immense. She really wanted that baby. After agonizing over it for about a week she invites MC over and explains matters to him. Emotional moment leads to intense breeding sex. Fluffy the demon cat can't interfere this time, because the door is locked.