Whenever I go to my friend's house to play, I'm always greeted by his mother, Ruri. She's beautiful and kind... I secretly admired her. But there was one problem. Her huge breasts were too much for a teenager like me, and I didn't know where to look. One day, when I went to stay the night at my friend's house, I found Ruri sleeping defenselessly on the sofa. Unable to resist, I stared at Ruri's body and passionately stroked my crotch. I was so engrossed that I didn't even notice that Ruri had woken up in the middle of it...