
Gan Saibou
がん細胞
♥: 196
He was born mutated because the normal cell who grew him made a copying error in his DNA. His mutation causes him to appear different from normal cells and to replicate uncontrollably, causing potentially deadly cancer.

He was born mutated because the normal cell who grew him made a copying error in his DNA. His mutation causes him to appear different from normal cells and to replicate uncontrollably, causing potentially deadly cancer.