Tetsu Himokura is a parasitologist. He enjoys researching the lives of parasites at his home laboratory and he barely leaves his home. He also has assistant Haruma Takaie to help him. Tetsu Himokura's right hand is a robotic prosthetic hand. He is very smart, but blunt to others.

• Tomohisa Yamashita
• Gaku Hamada
• Nanao
• Shingo Fujimori
• Haori Takahashi
• Takahiro Sakai
• Ken Mitsuishi
• Tomorowo Taguchi