The former deputy director of the organizing committee of the Tokyo Olympics and Paralympics was arrested in a bid-rigging case over the administration of the Tokyo Olympics and Paralympics. Interviews with individuals concerned revealed that this was the case. After that, the listing was up to date by subcontracting Dentsu to different firms. It seems like you might be investigating.
Source
Olympic bid-rigging incident Former Deputy Director of the Organizing Committee identified that there have been too many Dentsu, adjusting orders | NHK
