I could only come up with a couple of conjectures:
1. Tanya (Turner) and her family could be recent newcomers in the village. I'm presuming it that way because of her taciturn manners as her introductory characteristic from the start.
2. Not long after Tanya's family moved in, Ren got...
Wow. That's just plain rude. Maid-san should just waste that bee-tch all the same. But then again if the insect is offering no resistance, the easier it is to bring that bug into the Abyss.