WHAT DOES HIBIKIWIN RTP MEAN?

Wataru utilized to length himself from Other people, and even experienced no interest in wonderful in the beginning of Ensemble Stars! In spite of being a member on the device himself. He talked about that he would not want to recollect persons's names so he calls a lot of people by nicknames, like his unit-mates Tori Himemiya and Yuzuru Fushimi.On