Hi !!!!
Chikako is too strange.
Too similar to Chicago.
One of my favourite feminine names are
Kaori and Kayoko or
Michiko.
Masculine names are Shinji and Shinichi.
Here there are some others...
FEMININE
Chisato
TakakoHarukaHirono
MASCULINE
Shuya
Yutaka
HirokiKeita
HiroshiYoshio
Yuichiro
Ehm...do you like any?