I Guarded the Sword Tomb for Ten Years, and You Still Make My Sister Marry?

Jiang Xuan transmigrates to a fantasy world and becomes a prince of the Taixu Dynasty, sent to the Sword Sect to train.

To protect himself, he secretly cultivates for ten years.

During this time, he awakens the Check-In System and checks in for ten years.

Ten years later, as the ten great dynasties besiege the Taixu Dynasty, intending to destroy it, Jiang Xuan slowly opens his eyes while in seclusion.