Riku Otonashi

Riku Otonashi is a student at PriPara Idol Academy, and is also dubbed the martial arts club's "Number One Most Useless Student".

Personality
Riku is kind, masculine, and energetic, though it's stated that after his father passed away, he was depressed for the time he was five, to one year prior to his first appearsnce. He took up the martial arts, but is only a white belt, since he won't hurt anyone.