Stardom Wrestling, the organization Kimura was part of, issued a statement on the news on Friday.
“We are very sorry to report that our Hana Kimura has passed away,” it wrote. “Please be respectful and allow some time for things to process, and keep your thoughts and prayers with her family and friends.”
A cause of death was not immediately clear. However, the most recent update on her Instagram story on Friday featured a photo of her with her cat, with a caption that reads “goodbye.” She had also recently posted a series of troubling tweets, one of which, according to a fan translation, read that she didn’t “want to be a human anymore.”
“Thank you to everyone who supported me,” read another message, which also implied that she had been cyberbullied. “I love it. I’m weak, I’m sorry.”