User blog comment:B214/Volume 17 spoilers./@comment-117.193.172.96-20140220163805/@comment-1359322-20140221010357

Supposingly even if a person comes uninvited, you should invite them inside your house if you know them. Remember when Xenovia and Irina first appeared, Issei's mum also invited them in. That's called manners. Plus talking outside the house is something housewives do among each other. -_____-