Yamamoto, who is of no fixed abode, was earlier cautioned by police for harassing the man. She was told to desist under the anti-stalking law. The man, who has not been named, is a fellow video content producer. Yamamoto identified his address and other personal information based on what was visible in his videos. It seems this was most of what she needed to fill in the marriage form. A source said that she handed the application to the Tomisato city government between September and October 2023.