Takashi Tachibana

is a social activist, journalist, accountant and politician who is the founder and leader of . A former assemblyman for the Funabashi City Assembly and the Katsushika Ward Assembly, he was elected to the House of Councillors in the July 2019 regular election on his party's proportional representation list. He automatically forfeited his seat on 10 October when he officially became a candidate in the October 2019 by-election to the House of Councillors for a majoritarian seat in Saitama.