Holy Night Cosplay Legend

Holy Night Cosplay Legend (番外編 ~ 聖夜のコスプレ伝説 ~, Bangai-hen ~ Seiya no Kosupure Rejendo ~) is an extra chapter included in volume six of Dengeki Daisy. The chapter was originally published in a special edition of Betsucomi in December 2009. The events do not directly correlate to the plot and do not occur chronologically after chapter 29. The chapter is later referenced as occurring in the winter break before chapter 46.

Synopsis
Kurosaki learns from Riko that Teru that has taken up a part-time job at the Master's restaurant for Christmas Eve. When Kurosaki learns that the Ohanabatake, the Master's restaurant, is having a special project featuring staff dressed in mini-skirt Santa clothes, he immediately takes off for the restaurant.

Both fearing and anticipating that Teru is dressed as a mini-skirt Santa, he is disappointed to find the Master is the one dressed as the mini-skirt Santa and Teru is dressed as an ordinary Santa.