Michiko Miyagi

is a Japanese professional wrestler better known by her ring name Cassandra Miyagi. She is currently signed to SENDAI Girls' Pro Wrestling. On November 24, 2014, Miyagi made her debut as Michiko Miyagi in a match won by Kyoko Kimura. On December 6, she was defeated by Sawako Shimono.

The following year in 2015, Miyagi debuted as Cassandra Miyagi on October 25 in a tag match with Chikayo Nagashima against Chihiro Hashimoto & Meiko Satomura. On November 21, Miyagi had her first cross-promotion match when she joined Team SENDAI Girls (with Chihiro Hashimoto, DASH Chisako, Meiko Satomura, Mika Iwata & Sendai Sachiko) in a gauntlet tag match against members of World Wonder Ring Stardom (Hiromi Mimura, Io Shirai, Kairi Hojo, Kris Wolf, Mayu Iwatani & Momo Watanabe). Team STARDOM prevailed in the match encounter.

On November 9, 2016, during the Sendai Girls 10th Anniversary Show, Miyagi had her first title match opportunity, challenging Chihiro Hashimoto for the Sendai Girls World Championship. She was however, unsuccessful in winning the title. Miyagi made her international debut in the United States for CHIKARA, on September 2, 2016. On that date, she took part in the 2016 CHIKARA King Of Trios tag team tournament, where she and teammates DASH Chisako & Meiko Satomura as Team Sendai Girls, eliminated Heidi Lovelace & N_R_G (Hype Rockwell & Race Jaxon) in the first round. On September 3, during the quarter finals of the tournament, Team Sendai Girls eliminated The Colony (Fire Ant, Silver Ant & Soldier Ant). On September 4, during the semi finals of the tournament, Team Sendai Girls eliminated team Warriors Three (Oleg The Usurper, Princess KimberLee & The Estonian ThunderFrog). On that same date, Team Sendai Girls won the tournament final after eliminating Team JWP (Command Bolshoi, Hanako Nakamori & Manami Katsu).

Miyagi and Team Sendai Girls returned the following year in 2017 to join the King Of Trios tournament on September 1. The team won the first round after eliminating Xyberhawx2000 (Nytehawk, Razerhawk & Sylverhawk). On September 2, Team Sendai Girls eliminated Crawdad, Hermit Crab & Merlok during the quarter finals. On September 3, Team Sendai Girls eliminated Cornelius Crummels, Juan Francisco de Coronado & Sonny Defarge in the semi finals. On that same date, Team Sendai Girls were defeated in the tournament final by team British Strong Style (Pete Dunne, Trent Seven & Tyler Bate).