The hustle and bustle of the cultural festival has finally wound down, and Maki and Umi have entered a new phase of their relationship: “friends intending to be lovers.” Now, Christmas is around the corner—and in order to take their relationship to the next level, Maki steels himself and invites Umi over on Christmas Eve! But in the background during their heart-pounding Christmas festivities, the truth about the state of the Maehara family gradually comes to light...