Ishida made his first appearance for
DDT Pro-Wrestling on September 26, 2021, at Who's Gonna Top? 2021, in a pre-show exhibition bout against Yuya Koroku that went to a time-limit draw. His official debut was on October 12, at Get Alive 2021 where he faced
Kazusada Higuchi in a losing effort. On August 24, 2022, at a free event in
Shinjuku Face, he had his first win where he teamed up with Higuchi, defeating
The37Kamiina (
Konosuke Takeshita and
Toi Kojima). Ishida then offered to join the stable Harimau, which was accepted. On May 14, 2023, at Only We × DDT Special: Yuji Hino's Debut 20th Anniversary, Ishida teamed up with Higuchi and
Ryota Nakatsu where they defeated
Shinya Aoki,
Yuki Ueno and
Super Sasadango Machine to win the
KO-D 6-Man Tag Team Championship, which also marked Ishida's first championship. They lost the titles to Eruption (
Yukio Sakaguchi,
Saki Akai and
Hideki Okatani) on July 23, at
Wrestle Peter Pan 2023. ==Championships and accomplishments==