Sayu Yagami was 12 when she found her death note at school, taking it to her brother. Sayu and Light dismiss the Death Note of being real until Ryuk the Shinigami appears in their lives five days later. Horrified of the power the death note has, both decide to keep it and to only use it in case of an emergency. Three years later Light is walking home from Cram School when he's attacked and is saved by Gelus and Rem, he is gifted the shinigami eyes (a last gift from Gelus). But with the sudden appearance of Kira, the Yagami Siblings decide to investigate, they need to find Kira before L.