Featured in the information magazine Pen PLUS.
The mook published by CCC Media House, the complete preservation edition "Pen PLUS", features Sasayama Castle Town Hotel Nipponia. Please take a look.
●The content is here
https://www.vmc.co.jp/wp2/wp-content/uploads/2018/09/20180903scan-5.pdf
●Pen official site is here
https://www.pen-online.jp/