A single mother named Yuuko has been raising her son Shingo by herself. One day, Shingo seeks relief from his academic stress by browsing erotic videos when he gets caught red-handed by Yuuko. Feeling concerned, Shingo cuddles up to her and shows off his erect penis, ultimately forcing himself onto her... From then on, Shingo's lust for his own mother escalates, as he teases her popularity among classmates due to her big breasts and huge ass. Eventually, even Yuuko finds herself drowning in Shingo's massive cock, unable to resist her desires any longer... #ClassPresident

女手一つで息子・慎吾を育ててきた母・夏帆。ある日、慎吾は勉強のストレスから逃れるためにエロ動画を物色していると、夏帆に見つかってしまう。そして慎吾は心配する夏帆に甘え、勃起したチ○ポを見せつけ性処理をさせてしまう…。それ以来慎吾の『母への欲情』はエスカレート、クラスでも評判の美人母の巨乳や巨尻を弄り性行為を繰り返す。そして欲求不満であった夏帆も次第に慎吾のデカチンに溺れてしまうのだった…。＃班長P