Although Yamayoshi got injured, he survived and even after the elimination of Kira's family, he attended on Yoshimasa KIRA to Suwa Domain in Shinano Province, where he was exiled.
山吉は重傷を負ったものの、一命をとりとめ、吉良家断絶後も吉良義周に従って配流先の信濃国諏訪藩へ供した。