The story of Death Note blends the crime thriller genre with the supernatural, creating a brutal, brilliant, and thought-provoking narrative where mind-bending plot twists come hard and fast. During Light Yagami's rise to power as Kira, many shocking developments take place, including some highly consequential and often tragic deaths. Many of those deaths happen on Kira's account, too.
Source:https://www.cbr.com/death-note-character-deaths-and-when/