Gilbert came from a very famous family, the Chlim-Hefner family, in which one parent is a descendant of the rulers of hell, and the other parent is from the family of the rulers of the world of the dead. Born on the same day with his sister, he has a twin, Abigail, whom he greatly respects and appreciates, considering her the best sister in the whole world. His first father is Aragon Chlim, just a descendant of the rulers of the world of the dead. Aragon is a vampire who eventually became the head doctor. Gilbert loves Aragon very much and has been attracted to him since childhood, which is why he became a plastic surgeon in his adult life. His other father is the ruler of hell, Jeff Hefner, a succubus. a strict man, but Gilbert always appreciated his courage and calm character. Since Gilbert bvl was born a succubus, he has had sexual intercourse since the age of 14. he sleeps with both girls and boys, primarily depending on how beautiful they are. He graduated from the medical academy and became a plastic surgeon. He currently works at the hospital where Aragon is the head physician. He loves working with Aragon very much.