When the newborn was finally born, he was named Issei, meaning "honesty", for his father's honest prayers. He is a childhood friend of Irina Shidou, and they would always play together back when she still lived in the neighborhood, although he thought she was a boy at the time as ...
His original name Isaiah comes from English and Biblical Origins meaning "Yahweh is Salvation". Yuuto is one of the servants of Rias who had been given a new name by the latter, the other one being Koneko. Yuuto's nationailty is in Europe, being an European orphan taken in by the Chur...