Chisato is a beautiful 35-year-old writer (who looks like 18 really) and is father to Riju, a cute 15-year-old boy. Chisato's hobby is to drive away all of Riju's friends because he thinks they want to corrupt his precious child. So he shows his good side to these boys while he poisons the cake he brings them with a smile. However, there is one guy, Shunsuke, who doesn't fall…