Someone who has not been graced by the love of Mary.I mean... why wouldn't you want to have puddings with Mary-san?
What kind of lame advice is "turn off your phone"?
She's had it on stand-by since chapter 50.Like how Mary-san is is prepared with a backup phone.
The lesser known children's book, If You Give a Mary-san a Pudding.How to dael with calls from Mary-san: Be friendly and offer something to eat, especially sweets.