Suiundo designed and constructed the Enlightenment Gate for Kinren-in Temple of the Shingon-shū Chisan-school in Tateyama City, Chiba Prefecture.The gate was completed, and the completion ceremony was held on 13 December 2020.At the completion ceremony, a Hōraku (ritual ceremony of Buddhism) was held in front of the Enlightment gate, followed by a ceremony in the guest hall.Due to the COVID=19, the banquet for the ceremony will be limited to a toast only.