Hana Kimura, the 22-year-old female professional wrestler who was among the cast of the internationally popular Netflix reality show "Terrace House," is believed to have killed herself using toxic gas at her Tokyo home where she was living alone, investigative sources said Monday.Kimura, who had been a target of cyber-bullying, was found collapsed on her bed with a plastic bag covering her head early Saturday. A container seemingly used to generate toxic gas was discovered nearby, the sources said, adding several suicide notes were also found in her room.In Kimura's apartment, a piece of pa…READ FULL ARTICLE