AKS, the management company of AKB48 and its sister groups, announced the resignation of AKB48 theater manager Takahiro Hosoi on Thursday.
Oricon News reported on Thursday that Hosoi had allegedly shared a photo on Twitter of him drinking with Imamura and former AKB48 theater manager Tomonobu Togasaki on Wednesday.
AKS also stated it canceled its contract with former NGT48 theater manager Etsurō Imamura.
AKS is leaving the position of AKB48 theater manager temporarily vacant.