Pffft, oh geez. Uh, no probably not. I think he was too busy fussing over Kotori all the time to consider it. And he wasn't Mr. Talkative, so he probably didn't actually know anyone well enough to be interested in anyone. Plus it is genetic for Fuuma and Kotori to want Kamui.
Was there anyone that Kamui made friendly with before he came back to Tokyo?