Tying the Knot with an Amagami Sister Vol. 17 (Kodansha, 2025)

The day of the All-Japan Ekiden Championship relay race is finally here, and everyone bands together to strive for victory! …Except that Asahi and Karen-chan have an explosive argument at the last moment! What will happen as Asahi and her teammates run with all they have to pass the sash that connects them to one another into the future?! Then, Christmas comes, but Yuna is crestfallen that Santa has forgotten to deliver her any presents! Can Uryu and the others make it up to her without crushing her innocent fantasies?! The feelings of today will carry onward as an eternal bond of love!