Holy Night (Kago Shintaro) summary:

"This is a short Christmas-themed manga.Santa is terrorizing the Japan by flooding everyone with unwanted gifts. The only way to stop Santa from sending more is to convince him thatyou’re happy with what you got, or so they believe.The story is split between a girl trying to find a way to get Santa to stop sending her vibrators, and the various government schemes to try and capture or eliminate Santa."(from Brolen)