Satoru worried about there not being mother divorced a half year ago, spirit of the Yui. Some arrowhead, mother who wanted to support it witness a figure masturbating in living. Touch it with a body without Satoru who caught the stimulation on the part of the woman of mother looking for the first time being able to endure it when mother sleeps. Mother to be up, and to resist gradually opens the body in Aibu of Satoru, and be the beginning….
