Okay according to K Project it does not say weather au not Neko loves Shiro in a romantic way. Though wewe do get to see how Neko lovez Shiro as a pet type of way. Cause Neko is a cat who turns into a human. Of course wewe may already know that. There is shabiki fic makala and video for Neko X Shiro. Take a look at this video. Copy and past the link into the tafuta bar at the juu of the page.
link and copy and past the link for the Shiro X Neko shabiki fics.
link Also the picture shows Shiro standing on the right side of the picture. While the left side of the picture is Shiro laying in kitanda while Neko is turned into a kitty cat and not a human at the moments while laying on Shiro's arm in bed. :-3