This page contains some Japanese unisex names that can be used either to name a boy or a girl; they work for both. Example: Hinata (向日葵, sunflower) is a name that can be given to a baby of either genders.

 
This page contains hundreds of Japanese male names and their meanings; feel free to use them to either name your characters or name your baby boy.
 
This page contains hundreds of Japanese girl names that can be used to either name your female character in a story or to name your little princess.