Kōsuke Fujiwara

is the younger brother of Naeka Fujiwara in the Kamen no Maid Guy series.

Biography
Naeka's overweight little brother and vivid otaku of maids and eroge. He is good-natured and has a normal sibling rivalry with Naeka. Kōsuke seems to get along best with his grandfather and is very thankful for being bestowed with Fubuki. His otaku tendencies sometimes get him into trouble with the others. When forced to diet, Kōsuke is shown to be very handsome.