It is a heart-shaped stone in the "Naiku Thanksgiving Road" that enters Oharaimachi from the municipal Ujiurata parking lot, and it is rumored that if you discover it, you will be blessed with a good relationship and deepen your love with your lover. It is hidden on the wall on the Oharaimachi side of the underpass where the folding screen paintings by Shunichi Kadowaki, who is said to be the "Ukiyo-e artist of the Showa era," are lined up.It is a popular spot for couples.