Female teacher Saori was a woman who liked to indulge in an obscene delusion in her heart contrary to her modest appearance. The more I think I have to take it seriously, the more often I get wet with obscene delusions that spring up. One day, when Saori went out to visit her family... My head is dominated by delusions while licking the ice cream served at the first house. "What would happen if I licked my father's cock like this...?"