Byakuya Togami (十神 白夜) is a student in Hope's Peak Academy.His title is the Ultimate Affluent Progeny.Byakuya is the heir to the worldwide financial conglomerate that is the Togami family. The Togami family has a "peculiar inheritance system", in which the male head of the family does not take a wife, but instead couples with exceptional women from around the world, in order to bear as many children as possible. As such, Byakuya had fifteen half-siblings, all potential heirs to the Togami family