According to a temple's lore at Yusen-ji Temple, when the village people of Matsugasaki converted their faith to the Hokke sect, Nichizo wrote the letter 'Myo' on Nishiyama while Nichiryo who was at Daimyo-ji Temple wrote the letter 'Ho' on Higashiyama.
涌泉寺の寺伝によると、徳治2年（1307年）、松ヶ崎の村民が法華宗に改宗したとき、日像が西山に「妙」の字を書き、下鴨大妙寺の日良が東山に「法」の字を書いたという。