According to a description in "Shinpen Musashi fudoki ko" (a topography of Musashi Province from 1804 to 1829), after that, this monster left a ball called "a cow ball" in Ushijima-jinja Shrine located on the shore opposite to Asakusa and disappeared.
『新編武蔵風土記稿』による記述では、この怪物はその後、浅草の対岸にある牛島神社に「牛玉」という玉を残して姿を消す。