In Death Note , Ryuk returns to the human world to present Yuki Shien , a cyber-terrorist who worships Kira , with a Death Note .
10 years after the end of Kira case , Ryuk again visits the human world , giving a Death Note to a Kira worshipper , a cyber terrorist named Yuki Shien .
Ryuk -LRB-Death Note-RRB-