Kaisei Takechi

Takechi was born in Takarazuka, Hyōgo Prefecture and has two older sisters.^[4] In the fifth grade, he competed in the butterfly stroke events at the JOC Junior Olympic Cup.^[5][6] His mother ran a dancing school and he began dancing at the age of two.^[6] During elementary and junior high school, Takechi has a senior-junior relationship with Hiroshima Toyo Carp baseball player Kaito Kozono.^[7][8]

In April 2014, he was eliminated in the final round of the Exile Performer Battle Audition, but was selected as a candidate member of THE RAMPAGE.^[9] On September 12 of the same year, he became an official member of the group.^[10]

On November 16, 2019, he won the overall title in the Stylish Guy category of the "Summer Style Award 2019 ROOKIE CHALLENGE CUP," a body contest to determine the man or woman who looks best in summer.^[11] He won the TBS program "Strongest Athletes Summit Battle 2022" on March 22, 2022.^[12] He is the second LDH member to win the tournament, following Mandy Sekiguchi. In April 2022, the video streaming service “CL” aired a segment that closely followed Takechi, who had no prior judo experience, for a year until he obtained his black belt.^[13]

He is one of the members of a Krump dance crew "Rag Pound" with fellow members Kazuma Kawamura and Makoto Hasegawa.^[5]

Takechi played the role of a professional wrestler in the drama Masked D, which began airing in October 2022. He received a contract offer from president of DDT Pro-Wrestling Sanshiro Takagi, professional wrestling organization that cooperated with the filming.^[14]

Takechi made his in-ring debut at Into The Fight 2024 on February 25, where he teamed up with The37Kamiina (Shunma Katsumata and Yuki Ueno) to defeat Hideki Okatani, Takeshi Masada and Tetsuya Endo in six-man tag team competition.^[15] At Dramatic Infinity 2024 on September 29, he teamed up with Mao and Yuki Ueno to defeat Schadenfreude International (Chris Brookes, Masahiro Takanashi and Takeshi Masada).^[16] After a nearly one-year hiatus from professional wrestling, Takechi made his return at Dramatic Infinity 2025 on September 28, where he teamed up with To-y and Yuki Ueno and defeated Damnation T.A. (MJ Paul, Hideki Okatani and Ilusion) to win the vacant KO-D 6-Man Tag Team Championship.^[17] At Ultimate Party 2025 on November 3, he teamed up with Konosuke Takeshita to defeat Kazusada Higuchi and Takeshi Masada.^[18]

He made his debut in a New Japan Pro Wrestling show at Purge Night of Torture on November 19, 2025, where he teamed up with Akito and Yuki Ueno in a losing effort against House of Torture (Douki, Sanada and Sho).^[19] Takechi is set to make his debut at Wrestle Kingdom 20 where he will compete in a six-man tag team Ranbo for the NEVER Openweight 6-Man Tag Team Championship against defending champions Toru Yano and Spiritech (Master Wato and Yoh) alongside Shota Umino and Yuya Uemura.^[20]