Please be sure to set the push notification to ON. [Yuji Kosaka Mainichi] "Kansei Science Marketing" researched and developed by Yuji Kosaka has its research thesis (doctoral dissertation) included in the National Library, the Ministry of Economy, Trade and Industry has certified its dissemination business, and Keio University has collaborated on practical tips. It is a science that guarantees reproducibility (anyone can put it into practice and produce results). The Wakuwaku-kei (Kansei Scien