>In Yakuza 5 there's a subquest as majima that involves dressing up as Santa and being up goons
Pardon the 'tism but it's Saejima. The part where a chase sequence activates as you run from a bunch of kids had me in stitches.
With all the snow, the snow festival, muffled X-mas songs playing in the streets and assorted decorations, Tsukimino is IMHO the most "X-massy" of towns in the series.