If you've forgotten who Jessi is, she's Jenny's older sister -- you met her for the first time in Strip #142. Jessi's cool -- I like her a lot. And it wouldn't make sense if Jenny didn't mention her, because her sister's not being there for Christmas would make a big difference for her family. The little girl in the third panel is Nicole's little sister, probably the same one you saw in the first panel of Strip #204. Nicole has a lot of siblings.
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