In the summer when Shino was 18 years old, his aunt and uncle secretly substituted Murasame-maru with a fake and sent him to Nariuji ASHIKAGA, kubo in Koga.
信乃18歳の夏、伯母夫婦は村雨丸をすりかえ、信乃を滸我（古河）の公方足利成氏の許に旅立たせた。