Seigo Sasayama

"People are treasures."

- Seigo Sasayama to Kaito Sera

Seigo Sasayama (笹山 セイゴウ Sasayama Seigo) is the former Head of the Technological Development Department. He is also the former Principal and President of the Kirishina Academy.

Personality
He seems like a kind man as he worry over overexerting Kaito himself.

Biography
He is first seen talking with Kaito. Informing him about the hostage situation at the Coldwood Mine.

Later he realized the plans of Yuuji Kiryu, so he created a bit of propaganda by releasing A-TEC PR video to the TV.