Affiliation: | 1. Department of Information and Media, Doshisha Women’s College, Kodo, Kyotanabe-shi, Kyoto Pref. 610-0395, Japan;2. Department of Digital Games, Osaka Electro-Communication University, 1130-70 Kiyotaki, Shijounawate-shi, Osaka Pref. 575-0063, Japan |