Muneshige then fought for Hideyoshi in the Japanese invasions of Korea (1592–98), and was granted the han (fief) of Yanagawa (Chikugo Province, 132,000 koku), the land surrounding Tachibana castle.
Muneshige fought alongside Hideyoshi during the Japanese invasions of Korea (1592–98), receiving a fief, Yanagawa (Chikugo Province, 132,000 koku), encompassing the land surrounding Tachibana Castle.