Riku Rei summons Suigin after her father, Riku Yuuki dies, and hands him something that Yuuki apparently left for him. Though he is hesitant, Suigin accepts the item, which happens to be a specialized console to play the new game “Grave Buster.” On the console, Riku Yuuki left Suigin a message and one billion in inheritance and tells him to protect Riku Rei.
Her parents and I were comrades
 with the same purpose.
أنا ووالداها كنّا زملاء نشترك في نفس الهدف
Ihre Eltern und ich waren Kameraden
mit derselben Absicht.
Sus padres y yo éramos compañeros.
Sus padres y yo éramos compañeros.
Nous étions amis et nous luttions
ensemble pour la même cause.
I suoi genitori ed io combattevamo
per la stessa causa.
Eles eram meus colegas.
В те времена я был верным соратником 
этих людей, нас вела единая цель.