better known by his ring name Kamikaze (sometimes stylized in capital letters as KAMIKAZE) is a Japanese professional wrestler currently working as a freelancer and is best known for his tenure with the Japanese promotions Pro Wrestling Zero1 and Big Japan Pro Wrestling. Professional wrestling career Big Japan Pro Wrestling (1998–2002) He competed in various of the promotion's signature events such as the Saikyo Tag League, making his first appearance in the first-ever edition of the event from 1999, where he teamed up with Shunme Matsuzaki and scored a total of two points after going against the teams of Tomoaki Honma and Ryuji Yamakawa, Shadow WX and The Winger, and Mike Samples and Jun Kasai. At the 2000 edition, he teamed up with Abdullah Kobayashi and placed themselves in the block A where they failed to score any points after competing against the teams of Abdullah the Butcher and Shadow WX, Men's Teioh and Daisuke Sekimoto, and Daikokubo Benkei and Shunme Matsuzaki. At the 2001 edition. he teamed up with Hideki Hosaka and scored a total of five points after going against the teams of Fantastik and Ryuji Ito, Men's Teioh and Daisuke Sekimoto, Abdullah Kobayashi and Daikokubo Benkei, and Masato Tanaka and Shunme Matsuzaki. Maruyama also competed in a variety of different tournaments hosted by BJW. Between March 18 and 20, 2001, he took part in a tournament to determine the first ever BJW Heavyweight Champion which he won after defeating Mad Man Pondo in the quarterfinals, Wifebeater in the semifinals, and John Zandig in the finals. A week after, he competed in a tournament for the vacant BJW Deathmatch Heavyweight Championship, where he defeated Jun Kasai in the first rounds but fell short to Justice Pain in the quarterfinals. At the 2001 edition of the Six-Man Maximum Tag League, he teamed up with Hideki Hosaka and Shunme Matsuzaki and won the whole tournament by topping the only block with a totl of five point after competing against the teams of Men's Club (Men's Teioh, Daisuke Sekimoto and Ryuji Ito), Jun Kasai, Mad Man Pondo and Ruckus, and Skinheads (Daikokubo Benkei, Abdullah Kobayashi and Naoki Numazawa). Pro Wrestling Zero1 (2002–2018) Maruyama made his debut in Pro Wrestling Zero1 on the second night of the ZERO-ONE Creation 2002 from June 29, where he teamed up with Yoshiaki Fujiwara to defeat Rapid Fire and Steve Corino in a tag team match.