What Japanese anime series centers on high school student Light Yagami, who discovers a supernatural notebook that allows him to kill anyone by writing their name in it, leading him to become a vigilante known as Kira?

The Japanese anime series described, focusing on a high school student who finds a supernatural (Review) notebook enabling him to kill by writing names, is called Death Note. The narrative centers on Light Yagami, a brilliant but disaffected student who discovers the mysterious "Death Note" dropped by a shinigami, or death god, named Ryuk. This powerful artifact allows him to instantly end the life of anyone whose name he writes in its pages, provided he knows their face. Initially, Light uses this power to rid the world of criminals, becoming a self-proclaimed vigilante known to the public as Kira.

As Light's actions escalate, his quest to create a crime-free world transforms into a tyrannical pursuit of absolute justice, challenging the very notions of good and evil. The series delves into complex psychological and ethical dilemmas, particularly through the intense cat-and-mouse game that unfolds between Light and the enigmatic detective L, who is determined to apprehend Kira. This battle of wits explores themes of power, corruption, and the moral implications of an individual taking the law into their own hands.

Death Note (Review) originated as a manga series written by Tsugumi Ohba and illustrated by Takeshi Obata, serialized from 2003 to 2006, before being adapted into a highly successful 37-episode anime television series in 2006. Its compelling storyline and philosophical undertones have cemented its place as a significant and thought-provoking work in the anime and manga landscape, inspiring discussions about justice and the human psyche.