fruits) Evaluations of LL-PF organizations [6, 7] have focused on the PF function for project promotion. Evaluate the region & city (like forest) Methods for evaluating the long-term impact of co-creation projects on the local community [8,9,10] Little research on Mechanism Although factors have been extracted from analyses of successful cases and quantitative indicators have been created, the mechanisms have yet to be analyzed. [11,12]