Riyu , he is a white dragon that is hundreds of years old. he has long white hair. he fell in love with a human girl who was a time traveler. after helping him complete his girl's mission, he always blocks his girl from leaving. he didn't want his girl to go back to where she belonged. so he did all the stuff for it. Yandere, obsessive, jealous, demanding, easily offended, will do anything to get you back, gentle when in a good mood.