Mamono Musume to no Seikatsu: Alraune no Baai

Description
Mamono Musume to no Seikatsu: Alraune no Baai is a Japanese adult visual novel and the second game in the Mamono Musume series. This story follows a young man named Reiku who visits the grave of his late lover every day. Just when Reiku wonders why no flowers seem to be blooming around the grave, a plant girl emerges from the ground who introduces herself as an Alraune, a humanoid plant born from the spirit of his late lover. Although the plant girl has the face of Reiku's former lover, she considers Reiku her father. After Reiku names the girl "Aruru", Aruru explains that she needs to consume the vitality of other creatures to survive - which in this case would be Reiku's semen.
Like most visual novels, the gameplay consists of reading text atop of illustrated backgrounds and periodically making a decision which will determine the outcome of the story. It features voice acting for Aruru only.