It is reported that the solicitation included thinly veiled threats like "because, after all, Aizu Matsudaira is an enemy of the emperor"; but it was absolutely ignored by the Aizu Matsudaira family.
その勧誘の中には「所詮会津松平は朝敵」とばかりに、半ば強談判に近いものもあったと言われるが、会津松平家からは一切黙殺されたという。