Tying the Knot with an Amagami Sister Vol. 12 (Kodansha, 2024)

In the wake of his second round of marriage interviews, Uryu has fallen even deeper in love with the three sisters. As they each struggle with issues in their lives-Asahi about track club, Yuna about the shrine, Yae about her art-something unexpected happens…Yae vanishes, leaving only a note behind! Unable to give up on an important member of their family, Yuna, Asahi, and Uryu resolve to take her back from her birth family, the Ichijoji household, at any cost!