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The eldest daughter of the general's palace went astray and became a nine-tailed fox demon. She never left her childhood sweetheart and protected her until she grew up to be married to a bright matchmaker. In order to protect him from being killed, the eldest lady turned black and bloodbathed all directions to dominate the demon world. She returned to the modern school where she and demons share the same school. Her childhood sweethearts were actually classmates, and campus life went on peacefully...