He is the son of a viscount noble man and ex-prostitute Romani woman. He enrolled in Lacombrade Academy for follow in the his fathers footsteps. As soon as he came at school, he stood out by everyone. When he registered to dorm, he heard the odd rumors about his roommate. This decision taken by dorm administrator Carl Meisser and Professor Watts. They thought perhaps Serge could makes Gilbert a man but unlike, Serge had to cope with this troubled boy.
Serge's father is Aslan Battour and his mother is named as Paiva, who was a Romani-woman. Aslan was a student at Lacombrade Academy, Aslan suffered from tuberculosis throughout his life and died early on in Serge's childhood.