Afterwards, usage as living quarters and guest house was considered important also for Tenshu of Azuchi-jo Castle and Osaka-jo Castle, and in the Keicho era, Tenshu with a feature of Shoin-zukuri style (a traditional Japanese style of residential architecture that includes a Tokonoma), such as Okayama-jo Castle keep and Kumamoto-jo Castle keep, were constructed.
その後の安土城や大坂城の天守にも住居や迎賓のための建物としての用途が重視され、慶長期には岡山城天守や熊本城天守のように書院造の要素を含んだ天守が建てられた。