After Being on Guard for a Long Time, You Said You Are Also an Undercover Agent?

My name is Jun Bai. I was once the Holy Son of Taixu Holy Land of the Righteous Alliance, but now, I am working as an undercover agent in the Demon Sect! With my outstanding talent, I became the only disciple of Su Haitang, the ninth elder of the Demon Sect. But I don't know why, but my master always looks at me strangely. Could it be that she has discovered my identity? She is indeed a cold-faced Rakshasa, I have to be careful about her! ... My name is Su Haitang, I was born in the Qianyuan Holy Land of the Righteous Alliance, and now I work as an undercover agent in the Demon Sect. I accepted a disciple named Jun Bai as my disciple. He is simply a born demon embryo. I must not let him discover my identity! ... Some years later. Su Haitang: Disciple, do you want to deceive your master and defy your ancestors? ... It's a sweet story with a single female protagonist, and it's very enjoyable at the same time, very enjoyable. The introduction is weak, you can read the text