安田龍星

Ryūsei Yasuda (born July 24, 1999), known mononymously as RYUSEI, is a Mexican-born, Japanese professional wrestler, currently working as a freelancer. When appearing in Pro Wrestling NOAH, he is part of the Los Tranquilos de Japón stable. He is the grandson of Dr. Zumbido and the twin brother of Masatora Yasuda.