Is the Vixen Magical Girl a Good Girl Today?

[Pure Hundred], [Double Heroine], [1v1], [Magical Girl], [Plot Flow], [Bad Woman], [Slightly Twisted] Reporter: "Today we are fortunate to invite Miss Qin Xihe, the [Knight] from the recently famous group [Fox and Knight]!" Qin Xihe: "Hello." Reporter: "You and Ms. Su Tingyue have the best understanding among all the magical girl teams. However, there are rumors that your relationship was not good when you first became partners. Is there such a thing?" Qin Xihe: "There is such a thing." Reporter: "Wow! So how did you develop such a close relationship now?" Qin Xihe pondered for a few seconds, and then replied: "It starts with her cheating on my feelings." Reporter: "...?" … This is a story about a vixen who deceives the affection of an innocent girl (?)