This, however, was unacceptable to Naosuke, who was "open country wing," and also the head of the Tamarinoma, one of the shikoseki (anteroom seats for feudal lords and direct retainers of the shogun at Edo-jo castle).
しかしこれは、溜間（江戸城で名門譜代大名が詰める席）の筆頭であり、また自ら開国派であった直弼としては許しがたいものであった。