Masquerade

After losing his parents, Hiraga Gen goes to live with his great-great-grandmother. However, the old woman Sakura refuses to take off her mask in front of him because she has burns on her face. Beth, a maid who serves the Hiraga family; Jennifer, who is investigating the Hiraga family's secrets; Ayumi, his classmate; Mitsuko, Ayumi's mother; and Sakurako, his beautiful homeroom teacher. Gen's new life begins with encounters with various women. One day, when Gen comes home from school, he is pushed down by Beth, who seems to be acting strangely...

The ancestors of the Hiraga family gained immortality through alchemy. Jennifer pursues the mystery of this life. She discovers that Gen's semen holds the key to the mystery, and forcibly attacks Gen. Ayumi witnesses this... Gen realizes that Sakurako looks just like his dead mother. Beth begins to keep an eye on Gen...

Gen's body is eaten away by a genetic predisposition to immortality. Gen's eyes are usually golden and he is driven by lust for no apparent reason. He finally attacks Sakurako, but she, knowing everything, accepts him as he is. The mystery of the Hiraga family is finally revealed! What is Gen's fate? What is the true identity of the woman he saw in his dream...?!

Since meeting Sakurako, who looked just like his dead mother under the cherry tree that night, Gen began to suspect that she might know something about the mystery surrounding the Hiraga family. Seduced by Mitsuko, who is also Ayumi's mother, Gen ends up having a relationship with her, but Ayumi witnesses the scene...