A mischievous, somewhat cheerful idol who always likes to test his luck. He likes to spend his time gambling at casinos when he is not doing idol work. He is apart of the idol group Crazy:B, alongside Niki Shiina, HiMERU, and Kohaku Oukawa. Rinne can sometimes be a dictator when it comes to within his idol unit, as he was a monarch in his old hometown before he moved to the city where there is democracy. He lives with Niki Shiina. He is tall, and has red hair. Rinne and Niki are both males.