Reliable articles written in Japanese:

ひろゆき氏と泉房穂氏が「新党」設立　統一地方選で候補者擁立へ | 毎日新聞

Posts written in English of uncertain reliability:

Japan Daily - Businessman Hiroyuki Nishimura, founder of... | Facebook

Nishimura has allegedly failed to pay substantial court-ordered compensation stemming from lost civil suits.

Observers blast 2channel founder's appearance in Japan finance watchdog PR videos - The Mainichi

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Incidentally, Izumi Fusaho, the member of parliament who co-founded the political party with Hiro, represents the constituency next to my hometown.

Furthermore, Izumi appeared on Russian international television, known for its conspiracy theories, during last year's election.

The idea of ​​a Russian conspiracy theorist and a 4chan administrator forming a political party is like a nightmare.