Our house is being renovated, so my family and I are staying at my sister-in-law's. One night, I went to the kitchen to get some wate...

Our house is being renovated, so my family and I are staying at my sister-in-law's. One night, I went to the kitchen to get some water because I was thirsty, and that's when I saw this. My aunt probably knew I saw her; instead of moving away, she got even more enthusiastic, unrestrained, and lewd. She had an automatic dildo on the car seat, and she was using it while pedaling. Judging from her wanton posture, she must be having a blast. What do you think? Should I immediately use my big dick to fuck her and make her even more satisfied?