いつまでも息子のままじゃいられない！ ～巨乳で美人な母さんは家では無防備すぎて僕の股間はもう限界！～

The protagonist, Subaru, has been in love with his mother for a long time. While trying to hide these deplorable feelings, one day, he accidently pushes her down. However, she agrees to be his lover until he gets a girlfriend. And so, the journey trying to become a real lover with his mother begins. [Translated from [url=http://www.hs-crowd.co.jp/anim/product/pro_pc2/pcl015/musumama.html#story]Official Site[/url]]