Yokai Akuru "悪樓(あくる)" 56
Akeru is a giant fish that lived in a hole in the sea.
A samurai was almost swallowed by this huge fish, but he straddled the back of the rampaging fish and killed it with his sword.
悪樓(あくる)は海の穴に住んでいた巨大な魚です。
侍が、この巨大な魚に飲み込まれそうになったが、暴れる魚の背中にまたがり、剣で退治した。