Additionally, it was revealed that Hamada Domain as a whole committed the smuggling at Takeshima Island (Takeshima Incident), consequently Yasuto was renamed Shimotsuke no kami and given eichikkyo (life incarceration).
また、別件で、浜田藩ぐるみで竹島密貿易を行っていたこと（竹島事件）も発覚し、名を下野守と改めさせられたうえ、永蟄居を命じられた。