Chisato is a beautiful 35yearold writer who looks like 18 and the father of Riju a cute 15yearold boy Chisatos hobby is to drive away all of Rijus 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 doesnt fall for the tricks But is Shunsuke really aiming for Riju Who is that mysterious writer Chisato loves so much And why is Chisato convinced that Rijus friends want to take advantage of him