StepGRANNY started touching me near my private parts and I got a big boner

Description: My stepgranny totally helped me out by cancelling church for me. So then she was like can you do me a favor in return and I was like eh yah for sure! What do you need? That's when she put her hands near my private parts and I was like whow now, but it was already too late, because she saw my boner.