Kageyama Shien’s mascot and pet, agrey catwith perpetualjitomeyellow eyesandfur-trimmedneck who wears awhite necktie. According to the one takeover stream, he speaks in a rather monotone voice, and likesfishandhamburger steak. In Shien's 3D debut, it's revealed that Nekoyama is able to change his size in real life. Created byAragami Oga.