Shu Saibou

Японское имя:	主細胞
Прозвище:	Chief Cell, Gastric Chief Cell

Gastric Chief Cell (or peptic cell, or gastric zymogenic cell) is a cell that works in the stomach. He used to have a tough, but kind-hearted attitude to visiting blood cells, but when the body started to break down, he turned to a harsh, serious, and strict attitude towards other cells.

Voice Actor: Narumi Takashi

Wikipedia