Don't Forget When You Look Back

She was a princess in the underworld, who was being hunted by people in the spirit world. She met a girl, and the girl saved her. She transferred to the girl's school, and her fiancé also came with her. Damn it. He, her fiancé, came to her school to protect it. She, one night, rescued a princess heroine, the princess of the underworld, and arrived at her school the next morning! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.