Prologue: abandonment and adoption.

Toad is a 5 year old boy who was abandoned by his abusive and neglectful parents. After finishing a job request with Issei, Rias found the boy and decided to adopt him and make him a devil and as her new son. During training at his young age, he unlocked his sacred gear. His sacred gear is the dragon queen Trihexa, equipped with a sword, a lance, an axe, a bow and powerful magic. He trained with Kiba, Xenovia, Akeno, Koneko, Asia and his adopted mother Rias. And they all love him.