Making move on my sis led mom into my bed

I am 19 yr old male from India. I find my sis(22) really attractive and she kind of gives me hard on. She has really good figure and tight ass with decent boobs size.

From many days I was waiting for a chance with her and finally one day when sis and I were alone at home. I went into her room and started normal chit chat about male body looks and ideal physique and stuff. After a while chit chatting I started complimenting her looks and body that how sexy she is and she has really good figure. As I was complementing her about her body I slightly leaned towards her went for a kiss and she went like “back off what the fuck are you doing”. She got really pissed at me and then I went into my room.

After my parents came home she told mom about what happened but did not mention it to dad.

Here the mom chapter starts :

Then day after the incident my mom(45) took me for a drive and asked me about what happened with sis, I was really scared but I honestly told everything I felt about my sis. I thought mom would become angry but she understood my side and explained me that this is your age to explore sexually but your sis is not into this stuff with you. She made me promise that I would never do anything to my sis.

I asked her “Is it wrong to try on your own sister?”, she said that it’s partially wrong but its good that you did not force her into it.

My mom also asked me whether I had sexual feelings about her. I told her how I felt about her and I also used to see her change and heard her and dad have sex.She got really shocked but she did not scold me. She told me that if I ever get sexual feelings I should tell her. And at this time I got shocked that she is not angry at me.

After few days when my mom and me were alone at home I told her that I was horny and I felt like kissing her. She asked me this one question I knew that things are going to get sexual. She asked my “Did you brush your teeth properly today?”. I said yes and then we kissed that too lip to lip. We kissed for like 5 to 10 minutes and those were the one of the best moments in my life.

That was my first kiss and that too with my mom. The feeling is different. From that day I have been kissing her and pressing her boobs when my sis and dad are not at home.

Problem now is that mom never lets me fuck. I have asked her quite few times but she has always refused.

So you guys got any tips on how I can convince her for sex.

Source: reddit.com/r/eroticliterature/comments/meauef/making_move_on_my_sis_led_mom_into_my_bed