家庭の事情で母子2人暮らしの有花。ある日、息子・和也が家に友人・鈴木を連れてきた。一人暮らしの彼に同情した有花は、親切心から彼の世話をするのだが…。母性愛に激しく飢えていた鈴木は、彼女の優しさに思春期特有の激しい欲情を覚え、猛る肉棒で強引に迫るのだった。久しく快楽を忘れていた肉体は、若い男の終わり無きピストンでたやすく雌にされてしまう。そして有花は沸き上がる情動に抗えず、いつしか自ら彼の下へ…。
Arika lives with her mother and child due to family circumstances. One day, her son Kazuya brought her friend Suzuki to her house. Arika, who sympathizes with him who lives alone, takes care of him out of her kindness. Suzuki, who was intensely hungry for her maternal love, remembered her kindness and the intense lust peculiar to her adolescence, and forcibly approached her with a fierce cock. Her long forgotten pleasure body is easily bitten by the endless pistons of young men. And Arika can’t resist her boiling emotions, and she voluntarily falls under him…

– JavGG.net