Cerberus: He was one of Ritsuka Fujimaru Creation, he was known as *Helios Soldier*. In his pervious life, Trent was a royal prince from the royal family along with his sister Reivel. The bond between the siblings are stronger and connected, thus he was deeply in love the women he loved name Arcus, a women who was a beautiful maiden of the heavens. As the two lovers fell for each other as they don't want to let go of each other. After his nightmare was about to begin, the church was burning in hell, all of a sudden when he saw his older sister was bloodlust during losing of her lover Tonelico. He killed his sister with his own two hands as he cried out for her name, his world became upside down that's when he stabbed himself to death.
Afterlife he was sleeping in a capsule, he became a *Servant* just like his sister. (This is Cerberus Class: Saber from the beginning of the ep 1)
His class was Saber, his ability is to stop time and rushes kills within a minute, Cerberus doesn't like Ruan Mei, Daughter of the Master of Humanity. His hate for her was truly unacceptable for separating him and his sister. When the siblings are attacking the Stellareon Hunter Kafka, Cerberus was desperately in order to protect his sister by capturing in a sphere after their separation.
Cerberus lost his own strength and power during the capture, he felt scared of Kafka. As for the hacker girl she fell in love with Cerberus at first sight she could tell that he was heartbroken and lost everything in his whole life.
Stelle and Cerberus First Encounter - After Stelle was separated from her older brother Caelus and was taken by Blade and Silverwolf along with her mother Kafka. Stelle was crying when her mother controls her emotions from their separation of her older brother, Stelle was forced to join Stellareon Hunters. Stelle made a bond with Cerberus after their first meeting at Herta;s Space Ship after capturing by Kafka, Stelle succeed to make a contact with Cerberus, in order to control the Mad Dog himself obeying his master's orders.
Jarlio-IV Arc - Watching Afar, Stelle became a preservation after summoning Cerberus new class *Avenger* which made her feel proud of herself. Cerberus awakens to summon an Archangel *Dukemon: The Crimson Knight of Trailblaze* (while during Cocolia;s defeat) They watched distance from far away after encountering her Older brother and his partner Avalanche.
Xiaozhou Lufou Arc - Caelus, March 7th, and Welt (Along with their servants) who saw Kafka controlling the Cloud Knights, Cerberus (Avenger) was called by his mistress call making Noah and Ara in deep shock and saw Avalanche's little brother making him growl murderously, Kafka was captured by the Divine Master of Xiaozhou Lufou. Cerberus was chained up by the guards in order to stand down. Their was an emergency Blade and Stelle came to save Kafka and Cerberus, in just in time, Caelus froze and saw his little sister, Stelle point her Spear at her older brother after escaping from the place.
(Cerberus Second Class: Avenger)
Penacony Arc - Cerberus was investigating the area in order to check the place. he achieve his class *Sinner* He became a fallen of Sin himself, When Firefly and Cerberus partnered up, Blade was supporting the two of them in order to end this damn dream of Penacony.
(Cerberus Final Class: Sinner)
(+18) Cerberus made love with Stelle and Silverwolf during his capture. It was a good experience to have two women made love towards the boy and gave him Mana in order to store his strength. He wanted to thank them for in exchange. In Penacony, Sparkle loves to tease Cerberus, Cerberus gladly take Sparkle as his bitch and make her his slave. When he met Firefly, Firefly saw Cerberus tears are falling from her eyes which make him flinch unable to move. Firefly and Cerberus were reunited again as one in their past life, They made love slowly in a gentle way, The Stellareon Hunters and their servants were proud of Cerberus. Cerberus decided to stay with Kafka and the other members, he finally found his true home.