Locals call this place 'Yanagidani Kannon' rather than its official name Yokoku-ji, a naming tradition so strong that even temple staff use the local name when speaking with visitors.

During hydrangea season in June, the temple's staircase becomes so crowded that staff actively discourage photography to keep foot traffic moving, yet visitors still spend hours waiting just for one shot.

The temple's eleven-faced Thousand-Armed Kannon statue is so revered that it's kept hidden from public view, revealed only on special occasions to preserve its sacred power.

The temple collaborates with fashion brand Felissimo to create limited-edition umbrellas featuring hydrangea designs, turning functional rain gear into collectible souvenirs that visitors travel specifically to purchase.