Kirepapa.

Chisato is a beautiful 35 year old writer (who looks like 18 really), father of 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 for the tricks. But is Shun...