When the cold transfer student was cornered by the handsome senior, everyone thought he was just a new prey on his "sister list". Until the night when the ancient tomb collapsed, he tore open the thousand-year-old stone door with his bare hands and protected her: "Be good, brother, be gentle." She didn't know that this man was the future ruler of Kyushu, and her ancestral pendant was the key to the battlefield in the fairy world. Tonight, when the powerful alien enemy tore through the starry sky, she chuckled in his ear: "This time, it's me who will protect you."
