Hi I Am 17 And My Sister Is 16 And

Hi I am 17 and my sister is 16 and she wants to do porn with me. First I woke up at 3 am and she was naked and she was giving a blowjob, then when my parents are not home and when i am in my room she comes to my room naked and starts jerking off then when she cums she tells me to suck her pussy. And when i am taking a shower she go to the shower naked and starts rubbing my penis on her pussy and starts giving me a blowjob. What do i do?