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.
Why did he have to face 
such a painful end?
لِمَ واجه مصيراً مؤلماً كهذا؟
Warum musste ihn so ein
schmerzhaftes Ende ereilen?
¿Por qué tuvo que encontrar
un fin tan doloroso?
¿Por qué tuvo que encontrar
un fin tan doloroso?
Perché ha dovuto subire
 una fine così dolorosa?
Por que ele precisou encarar 
um final tão doloroso?
Я не могу понять, почему именно ему 
достался столь мучительный финал?