During the latter part of the Heian period, belief in the future Buddha Miroku increased with the spread of Mappo-shiso (the "end of the world" belief that the idea of an age 2,000 years since Shakyamuni Buddha's passing in which Buddhism declines and the world is plunged into chaos), causing many including members of the imperial family and nobility to visit the Miroku image at Kasagi-dera Temple.
平安時代後期には末法思想（釈迦の没後2,000年目を境に仏法が滅び、世が乱れるとする思想）の広がりとともに、未来仏である弥勒への信仰も高まり、皇族、貴族をはじめ当寺の弥勒仏へ参詣する者が多かった。