Kosaku Kawajiri

Kosaku Kawajiri was a minor character in Diamond Is Unbreakable who was murdered by Yoshikage Kira, who then assumed his identity to escape justice. Kosaku was described as a cowardly man who had a strained relationship with his family and disliked his wife's cooking. He had no unhealthy habits and was considered "boring" by his family. Yoshikage Kira killed Kosaku to take over his life and live with his family.