Makoto Kawashita

Birthday: July 28, 1914
Age: 108
Manga Debut: Chapter 36

Makoto Kawashita is a doctor and one of the leaders of the organization Tanpopo.

Kawashita was a top medical student and used to run the Kawashita Clinic. During World War 2, the government tasked him with investigating the Yozakura Family and the power in their blood.

(Source: Mission: Yozakura Family Wiki)