The Power of Imprints

The protagonist accidentally enters a mysterious space called the Fantasy Realm outside the real world, and receives a gift, a mysterious mark on his wrist, from which he masters the power of the Fantasy Realm. With the power of the mark, he resolved various dangers encountered in the fantasy realm, successfully saved the fantasy realm from collapse, and found a way to return to reality. After returning to the real world, the protagonist discovers that his mission is far from over...