is a retired Japanese female professional wrestler, who famously wrestled for Stardom. Yu was trained by Sendai Girls' Pro Wrestling. He joined in April 2008 after his junior high school graduation. He had an exhibition match against Ryo Mizunami on July 27th, 2008. He made her official debut on August 24th, 2008 against Chikayo Nagashima. In 2010, he changed her ring name from Yukari Ishino to Kagetsu. In 2015, He left Sendai Girls and became freelance. In April 2016, He debuted for Stardom as a member of Oedo Tai. On June 16, 2016, he teamed with Kyoko Kimura to capture the Goddess of Stardom Championship. The team held the titles until December 22nd, 2016, when they were defeated by Yoko Bito and Kairi Hojo. The team recaptured the titles on June 21, 2017 from Hiroyo Matsumoto and Jungle Kyona. e took a break from wrestling on April 13, 2017, but returned on June 11th, 2017. He then became an official member of the Stardom roster on November 1st, 2017. He also became the leader of Oedo Tai in 2017. On June 9th, 2018, He captured the World of Stardom Championship from Toni Storm. On May 13th, 2022, Ishino came out as a transgender man in a video posted in his channel where he announced that he changed his name from "Yukari" to "Yu" Ishino.

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