The fallout led to the replacement of director Etsuro Imamura with the new theater manager Maiko Hayakawa and new assistant theater manager Tsuyoshi Okada.
NGT48 is a sister group of the AKB48 idol group based in Niigata prefecture, and it launched in 2015.
The police said that the suspects “only wanted to talk to Yamaguchi, and didn’t think it would be a big deal.”
AKS announced the resignation of AKB48 theater manager Takahiro Hosoi in March, and also canceled its contract with Imamura, both as a result of alleged “inappropriate conduct.”