Death note - The return of Kira

light had 2 other siblings that he never knew about, they lived outside of Japan , until light dies, his mother feels lonely so she asks them to come live with her in Japan, without mentioning any thing about them having a dead brother, Moon yagami, and Alex yagami both born in Japan but lived in the United Kingdom their whole life, they visit Japan and meet their mom and there sis sayu, later on, Ryuk gets bored again, and Kira is back!? Moon yagami finds the death note , and has no idea what to do with it, until ryuk gives her the idea to kill criminals, moon agrees and Kira starts killing again, while another boy, Named drake finds another death note and starts looking for Kira , later on they meet ... when Cindy, moon's best friend finds moon's death note , she gets really angry! How could my best friend be Kira? After Cindy threatened moon to reveal her identity, moon asks Cindy to help her, what will happen next?