ADN-651 I had sex with my friend's mom multiple times while he wasn't looking. Ruri Nishijo

Whenever I go to my friend's house, his mother 'Ruri' always greets me.
She is beautiful and kind… I secretly admired her. But there was one problem.
For a teenager like me, it was too stimulating; her breasts were so large that I didn't know where to look.
One day, when I stayed over at my friend's house, 'Ruri' was sleeping unguarded on the sofa.
I couldn't hold back and found myself frantically masturbating while looking at 'Ruri's body.
I was so engrossed that I didn't even notice she had woken up halfway through…