Tonai Bousho was formed on December 14, 2022, through the final of TBS's reality survival show Monster Love. The group's debut single, "Cookie", was released on December 15.[1] On December 21, it was announced that Richi had decided to date Kuro-chan of Wednesday's Downtown and would therefore withdraw from the group on December 31. Auditions for new members were opened on the same day.[2]
On February 15, 2023, Kino, Izuki and Chihiro joined the group.[3] They released the digital single, "Have a Nice Day", on February 26.[4] On April 3, Mina and Chihiro withdrew from the group.[5] They released a second digital single, "Tonai Girl's", on May 1.[6] On May 26, Miku went on hiatus due to a worsening chronic health condition.[7] A third digital single, "Like or Love", was released on June 5,[8] followed by a fourth digital single, "Cotton Candy Story", on July 23,[9] and a fifth digital single, "Ice Cream no Hoshi", on August 17. Their first album, Where Are You Going?, was released on September 27.[10] On October 1, Kino graduated from the group and Miku resumed activities.[11] Izuki graduated from the group on December 2.[12]