Suigin is pulled into the world of “Grave Buster” by a woman named Twin Star. Surprisingly, Suigin ends up meeting his grandfather, Riku Yuuki, who should’ve been dead, and he can’t hide his doubts about this whole situation. Then a woman named Shostia performs a ritual that reawakens Suigin’s childhood memories. Before they can enjoy their reunion, they are attacked by someone...
Come, now. Call me Gramps again, Suigin!
هيّا، نادني جدّي الآن مجدداً يا سويغين
Komm schon, nenn mich
noch mal Opa, Suigin!
Vamos, llámame abuelo de nuevo, Suigin.
Vamos, llámame abuelo de nuevo, Suigin.
Dai, forza. Chiamami di nuovo nonno, Suigin!
Vamos lá, me chame de
avô novamente, Suigin!
Ну же, назови меня 
дедушкой ещё раз, Суигин!