Taihei invites his coworkers over for dinner after work, and one of them, Alex, catches Umaru's attention. Why does this guy seem so familiar, and what's his deal with anime?
Alex interrupts Kirie and Umaru's afternoon to play a dating sim game. Kirie finds herself identifying with the main character. Later, Umaru discovers an addictive new game.
Umaru spends Christmas evening with her friends, and Sylphyn remembers a childhood Christmas wish. On New Year's morning, Umaru receives a suspicious gift from Taihei.
Taihei leaves for a business trip with his co-workers. While his boss Kanau thinks of a way to spend time with him, Taihei has his hands full with a vacation-happy stowaway.
After Bomba gives Taihei one of his old cameras, Taihei spends sometime reconnecting with Umaru. Later, the tension between Hikari and Umaru increases.
Sylphin invites UMR over to her house, where a slight misunderstanding leads to some awkwardness. Later on, Umaru seems to have found a weakness in Hikari's armor.
Kirie devises a new plan to bring Ebina and Taihei closer. However, Taihei might have a couple to many little sisters fighting for his attention already
It's the end of the year, and everyone is figuring out what Christmas gifts to get their loved ones. Can Umaru and the others find the perfect presents?