The episode begins amidst the hectic preparations for Christmas. Our main characters, Shiori Goshiki and Ichiro Kuga, start planning for the holidays while busy with their work. Shiori has no experience with Christmas, as she comes from the island, but she is eager to participate in the traditional activities. The two decide to spend New Year's Eve together, which subtly hints at the development of their relationship.

The long-awaited Christmas party at the Kuga household follows, where their friends and colleagues are invited. The atmosphere is cheerful and full of high spirits, but it also sets the stage for some revealing interactions between the characters. Ichiro is showered with compliments, much to his embarrassment, while the others share stories about him.

The real bombshell, however, comes when Shiori, under the friendly pressure of the sleepover, reveals that she was a princess on her island. The revelation leaves her friends astonished, but they readily accept it and assure her that it won’t affect their friendship. Shiori’s relationship with Ichiro is also addressed, highlighting the complexity of their bond.

The episode takes a romantic turn when Shiori and Ichiro go on a Christmas date to see the beautiful holiday lights. The intimate setting and their mutual affection pave the way for an important conversation. Ichiro proposes to Shiori. The moment is sealed with a tender kiss, marking a significant turning point in their relationship.

The episode ends on a cliffhanger as Shiori receives a mysterious message from her mother.