Ichirou Inuyashiki

The protagonist of this story. He is the oldest of the Inuyashiki household and despite being fifty eight years old, he looks much older causing people to view him as a pathetic old man. His whole family disrespects and mistreats him and he has no friends except for his beloved dog, Hanako. After being told he had cancer and on the verge of death, a meteor strikes him down and he is transformed into a cyborg. He chose to save people with his new abilities because he didn't want to lose his humanity.