After their first kiss, Kaguya Shinomiya and Miyuki Shirogane are left unsure where their relationship stands. The troubling uncertainty of whether they could be considered an official couple unleashes newfound problems as both Kaguya and Shirogane struggle to sort out their feelings. While the lovestruck student council officers fret, the Christmas season rolls around, and romance is in the air. In the face of widespread tenderness, Kaguya and Shirogane must endure their affectionate battle of wits once more. Should they reconcile their feelings for one another, they may find themselves within reach of what they have both been longing for so long: true love.

 AnimeRulz is the best site to watch Kaguya-sama: Love is War - The First Kiss That Never Ends SUB and DUB in HD quality.