The following day, the Tokyo Metropolitan Police Department sought an arrest warrant for alleged defamation of celebrities in his YouTube videos.
On June 4, 2023, the Metropolitan Police Department arrested Higashitani immediately upon his arrival at Narita Airport on suspicion of habitually threatening celebrities and others.
[9] In January 2023, locations linked to GaaSyy and his advertising revenue management company were raided by police to investigate alleged defamation and intimidation of celebrities as well as obstruction of business.
[10] In February 2023, GaaSyy was asked by the House of Councillors to fly to Tokyo and deliver an in-person apology for his continued absence during an open session, the penultimate disciplinary step before expulsion.
[5][12] On March 16, 2023, Tokyo Metropolitan Police Department requested an arrest warrant for GaaSyy over alleged defamation in his social media videos, as well as for his editor.
[13][14] On June 4, 2023, the Metropolitan Police Department arrested Higashitani immediately upon his arrival at Narita Airport on suspicion of habitually threatening celebrities and others.