Too many. And, don't forget that there's already been an annoying rival so this would be another annoying rival. Sure wish some other female classmate would start hitting on Ootaki in front of Yakushimaru so that she might snap out of her duldrums and realize how lucky she was to meet him.Aw no, how many chapters has she been giving him the cold shoulder? And now an annoying rival? Aw no.