Born September 15, 1998, 27 years old. 171cm tall. He entered a dance vocational school after high school and started dancing. He joined the group through the 2022 new member audition and is currently the main dancer for Bullet Train. Due to playing various sports in his student days, he has a solid build and continues to train now. His personality is calm and quiet, but he becomes talkative when alone or in small groups. He is a clever person who constantly gauges others' reactions and adapts his approach to them. Being AB type, he has a unique worldview and occasionally drifts off into his own world. He is stoic, full of tolerance, and doesn't interfere too much in others' business. He is close with Shuya and calls him Shu.

Born March 25, 1995. He is the "playboy" representative of Bullet Train, but he is serious at heart and has an incredible passion for being a back vocalist. Despite being a vocalist, his hobby is muscle training and he is extremely ripped. He and Masahiro have a "two-in-one" relationship that makes their age gap disappear, being the closest pair among the members. They are close enough to go on trips together frequently in their private time. He is always high-energy with a soft way of speaking, but he uses polite language upon first meeting and is serious enough to manage a NISA investment account. He calls Masahiro "Masa." He tries to protect Masahiro and Guest's relationship from the sidelines without interfering.