Reporters were really ticked off at him having cooked up such a big fuss over such a trivial matter.
However, when it was time to meet the fans and for performance, Nakamaru’s attitude had a 360 degree volte-face and he gave his “salesman-smile”, rapping and whatnot on the stage. Backstage however, the mood was foul and reporters were miffed. A veritable taint/insult to Koichi’s standing? Hmm after posting this and thought about it, it seems more of bad PR for himself than for Koichi, but I guess it just shows he doesn’t give respect to his senpai.