He often tells her she lacks the inner flower and even after Seiso won he thinks she is mediocre.
Two years ago Chiaki and Ritsu were the competing finalists in the solo division at a national competition. Ritsu won the event, but there was a judge who gave Chiaki's performance a score of zero. It was Chiaki's father. Chiaki wants his father to approve his music in a rematch against Ritsu.