Yamamoto is Light Yagami's high school friend. He is also a new member of the Japanese Task Force who joins within the year after Light dies. He also makes an appearance in the one-shot chapter. As revealed in chapter 108, he and Matsuda share a close friendship. According to Matsuda, they've gone drinking together on some occasions. No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles .