Okay according to K Project it does not say weather atau not Neko loves Shiro in a romantic way. Though anda 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 anda may already know that. There is peminat fic artikel-artikel and video for Neko X Shiro. Take a look at this video. Copy and past the link into the cari bar at the bahagian, atas of the page.
link and copy and past the link for the Shiro X Neko peminat 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 katil while Neko is turned into a kitty cat and not a human at the moments while laying on Shiro's arm in bed. :-3