nakaide incest, my son's delusion and reality, tozaki rumi.

My son, who was told by his friend that he was a beautiful mother when he saw the big breasts of lumps and transparent white skin, began to notice my mother as an opposite sex. "Mother's chest looks strong and jealous! I want to take off my skirt and look inside my pants!" What is the action that my son was inspired to inflat delusions?