Death Note (2015)

Episode 8 (1x8)

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Higuchi Kyosuke (Shuji Kashiwabara) dies immediately after his arrest as the Third Kira. A rule in Higuchi's black Death Note, which reads "If the person using the Note fails to consecutively write names of people to be killed within 13 days of each other, then the user will die" forces L (Kento Yamazaki) to admit that Light (Masataka Kubota) must be innocent. He then asks that Light continue investigating the Kira with him as a friend.