Izumi Shrine, the strongest power spot in Hitachi City, Ibaraki Prefecture. Izumi Shrine in Hitachi City, Ibaraki Prefecture. Known for its beautiful spring water and mentioned in the Hitachi Fudoki, it was introduced as the strongest lucky charm shrine on "Matsuko's Unknown World." - Design: Embroidery of the Izumi Shrine characters and floral patterns - Material: High-quality fabric - Back design: Simple floral embroidery - Size: Approximately 26cm x 10cm