Kazu Ishii is a character in the anime Highschool of the Dead. A student in Fujimi Academy, Kazu was mercy-killed by Saeko Busujima after being bitten by Them (the term used to describe zombies in the series). He is only seen in the second episode, Escape from the Dead, and is voiced by Shinya Hamazoe in the original anime and by Chris Patton in the English dubbed version.


Kazu was first seen trying to protect the school nurse, Shizuka Marikawa, from Okada, his friend who had been bitten. He beat Okada to death with an iv stand, then turned to Shizuka and told her to hurry and grab all the supplies so they can escape. Suddenly, a group of Them broke through the windows and bit him on the arm. As They attack him, he tells Shizuka to run but she instead asked what his name is. Saeko Busujima, captain of the school's Kendo club, comes in and saves them both from the horde of Them, killing each and every one of Them with her bokken (wooden training katana). After introductions, she  tells him that he knows what happens when they get bitten and asks Kazu if he wants to die so his family and friends won't have to see him as one of Them. He consents fairly quickly, and Saeko smashes his skull and kills him.

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