World Wonder Ring Stardom , often referred to simply as Stardom, is a Japanese joshi puroresu or women's professional wrestling promotion based in Nakano, Tokyo, Japan. Stardom was founded in September 2010 by former All Japan Women's Pro-Wrestling (AJW) co-producer Rossy Ogawa, retired professional wrestler and mixed martial artist Fuka Kakimoto, and former AJW veteran professional wrestler Nanae Takahashi. Stardom is currently owned by Japanese entertainment company Bushiroad, making it the sister promotion of New Japan Pro-Wrestling (NJPW).

Arisa Hoshiki is a Japanese singer, songwriter, retired professional wrestler, and former shoot boxer. In professional wrestling, she worked in the World Wonder Ring Stardom promotion, where she was Wonder of Stardom Champion, the promotion's secondary title. She vacated the championship on May 20, 2020, after she retired due to injury. Since 2018, Hoshiki had performed in the band Unlimited Dream Navigator, under the name Udon Sato (うどん佐藤), as part of which she performed her wrestling theme song. The band disbanded in 2021.