My daughters name is Kiya. I wanted the spelling of the Bob album and song, but the wife won that battle.
If you're going to name your kid a Japanese name simply because you're a fan of Manga and Anime, I think that's a pretty surface level reason for adopting the name of another culture. One other thing you should consider, is that if you name a child a Japanese name, it's considered bad form if the name is detached from it's Kanji. While you might like the name Yuki or something like that, there can be a wide variety of kanji associated with the name. A name is much different than the same phonetic sounds meaning 'snow or ice'. It's also very possible to choose the wrong kanji for the wrong year, which can bring a lifetime of bad luck (Japanese folks are superstitious about this stuff). My son's name is Kaito. The kanji that we chose means 'ocean' for 'kai' and 'navigational, or sailing star' for 'to'. There are many different characters for both of these words. Kai meaning ocean is quite neutral, but the character we chose for 'to' was a little trickier. My father-in-law was consulting different Buddhist monks for weeks, making sure we had chosen the right character for his year. So while you might think that you meet a lot of Japanese folks with the same phonetic name, the variety is far more varied than English when you start examining the kanji. In Japan each person gets a 'stamp' with their characters and the associated family name that is legally recognized as their signature. So, I hope that you put a little more thought into it, if you're going to choose Japanese characters.
Personally, I like to choose names from a list of associations with my heroes in music, literature, or history. If my son was born a girl he was going to be name Kaya as both a nod to Bob, as well as her properly associated kanji. My two cents.
