My perverted teacher is masturbating in the parking lot

I Was in the parking lot of the school when I saw my teacher in his car. I approached her to greet her and I realized that he was masturbating. He was very embarrassed and told me to talk after the lesson. So, when I finished studying, I went into his office. Clearly he wanted to convince me not to say anything. And the truth is that I didn’t want to say anything, but when I did touch her tits, I let him do what he wanted. I sucked her tits, I did not know they were redone and they feel hard. I did a blowjob to me and has left me scopassi on all fours. Just asked me to keep my mouth shut.