Ryohei Oiwa is a Japanese professional wrestler signed to New Japan Pro-Wrestling, where he debuted as a Young Lion on August 24, 2021 and is now a member of TMDK. After an excursion to Pro Wrestling NOAH, where he won the 2024 Victory Challenge Tag League with Kaito Kiyomiya, he returned to NJPW in 2025, made his G1 Climax debut that year, won the 2025 World Tag League alongside Zack Sabre Jr., and captured his first career championship at Wrestle Kingdom 20 in 2026 by winning the NEVER Openweight Six Man Tag Team Titles alongside TMDK members Zack Sabre Jr. and Hartley Jackson.