This is the [Streaming Exclusive Special Edition] of "Incestuous Love - Maya no Takamichi," featuring an additional 27 minutes of exclusive content not included in the regular release, such as special footage and masturbation scenes. Here's a breakdown of the regular edition's plot: Natsumi, accompanied by her current fiancé, arrives at a hot spring resort. The innkeeper bears a striking resemblance to her former lover. Upon learning his name, she discovers he's the son she gave up for adoption 22 years ago. While she initially considers leaving with her fiancé, she decides to stay for one more night. It's impossible for her not to love her own son. As her son massages her back, the physical contact awakens memories of her past lover and the warmth of her son, making it impossible for her to resist the forbidden desire that consumes her.

母子交尾～摩耶の滝路～の通常版には収録されていないイメージ映像・オナニーシーン等の特別映像を27分プラスした【配信限定特別版】。以下通常版の作品内容です:現婚約者との温泉旅行に来た夏生。訪れた旅館の仲居が昔の恋人にそっくり。名前を聞くと…22年前に里子に出した息子だった。婚約者と一度は旅館を後にするが…「もう少しここに残る」と1泊する事にした。自分が産んだ息子…愛していないわけがない。息子に背中を流してもらい、肌が触れ合うと昔の恋人の面影と息子の温もりで体の疼きを抑えられなくなってゆく。超えてはいけない禁断のまぐわいが今…。