Nico ga Santa

is a japanese 4-koma manga series written by Kuwahara Hihihi. It began serialisation in the July 2006 issue of Manga Time Kirara Carat.

The series was released under 1 volume in May 2009.

Synopsis
"I'm Santa !!" Nico, a mysterious girl who moved to the house next door to her twin brothers and sisters Fumizuki and Minazuki. The existence of self-proclaimed Santa Nico disturbs Fumizuki's heart ... What does Nico give you on a holy night? Always have Christmas in your heart !!

(Source: Amazon JP - Translated)