"Can you teach Atsushi judo?" From my brother's casual remark, my distorted relationship with Mio, who is my brother's wife, began. When I was sluggish for the summer judo tournament, my brother, who came back from overseas assignment, brought Mio-san. Mio-san learned that she was a former 3rd dan black belt in judo, and since then she has been living in her brother's house and learning judo. And while she was practicing her ground technique, Mio-san's breasts were in close contact and my crotch swelled up.
