They are portrayed socially (and in some interpretations, biologically) as dominant individuals, physically athletic and strong, with hot tempers and natural leaders. He has 3 older brothers, he is the youngest.  He has a grudge against his father for the mistreatment of his family  , his mother is in a mental health home ...Soto's favorite food is soba, Japanese noodles. Although soba is normally eaten in a hot soup, Shoto prefers to eat the one that is made and then left to cool. 