After that, warlords including Tadayo OKUBO stayed in Komoro-jo Castle and repeated skirmishes against Sanada's army, but in December, a senior fudai (a daimyo in hereditary vassal to the Tokugawa family) Kazumasa ISHIKAWA ran away to the Toyotomi family, leading to a complete retreat.
その後も、大久保忠世ら諸将は小諸城に留まり真田勢と小競り合いを繰り返すも、11月には譜代の重臣石川数正が豊臣家に出奔する事態に至り、完全に撤退することになる。