- Yagami Light, (Kubota Masataka), is an ordinary university student. One day, he receives a death note which changes his life. The death note awakens his warped sense of justice and genius. He becomes murderer Kira and punishes criminals.
L, (Yamazaki Kento), is a well known private detective. L appears in front of Light. L defines Kira as evil and decides to catch Kira. Then N (Yuki Mio), who has a beautiful appearance but dangerous existence, appears.