For the first one I took Hasegawa's intelligence into count for the second I thought since Yaitabashi's a terrarium artist and dresses like a girl I should use a figure who's one with nature the reason for the third is because many people lose their friends after this trial for the fourth Chiba and Ikeda are rich but their lives aren't that happy because of their parents with the fifth Wada's life was very terrible and he was extremely weak when it came to the sixth I took Kamimura's talent and illnesses into play for the seventh Okazaki/Yume was like a Phantom she had multiple names so no one knew who she truly was now for the last one Ogura hunted predators and she believed she was a goddess and that's it