一応売ってるが、いい値段するなhttps://www.amazon.com/FULI-Japanese-Traditional-shikibuton-Mattress/dp/B07JJ4TJ4B/ref=sr_1_11?_encoding=UTF8&c=ts&dchild=1&keywords=Futon+Mattresses&qid=1615964091&s=furniture&sr=1-11&ts_id=3732941
思考の /dev/null
