Concerning the weakened functions of local communities in the urban areas in Japan, for example, the MIC's report (Ministry of Internal Affairs and Communications, 2014) points out some factors: population fluidity, declination of local economy, aging population in the new towns. Recently, the universities play there more and more important role, especially by sending students who live in such area as members of community. This paper shows several cases of renovative approaches in housing

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... x, vacant house, vacant room, shopping street, and also a case of designing a new type inhabitant community. In these cases, on the one hand, the local communities acquire the younger collaborative neighbors, and on the other hand, the students are exempt partially from their house rent. Nowadays, these residing students start to ganer attention, in order to resolve the local communities' difficulties.