Cognomen Kohsei (Kohsei ) , globally, is an extremely rare last name. Much more prevalently, Kohsei is the forename as well as the last name.
Kosei, Kousei, and 香西
Sato, Satoh, Araki, Shioda, Suzuki, Ugumori, Ichikawa, Takezawa, Nakamura, and Matsumoto
) , globally, is an extremely rare last name. Much more prevalently, Kohsei is the forename as well as the last name.