Myoryuji, nicknamed the "Ninja Temple," is a Nichiren-sect temple built in 1643 by Maeda Toshinaga, the third lord of the Kaga domain. Although it appears to be a two-story structure from outside, the building is actually four stories and seven levels tall, concealing 23 rooms, 29 staircases, hidden chambers, secret passages, and trap doors — all designed to outwit the Edo shogunate. Designated an…

Built in 1643 when the third Kaga domain lord Maeda Toshinaga relocated temples from near the castle to outside the city, the temple was deliberately designed to appear unassuming from the outside while incorporating complex defensive features within. It is said to have served as a base for surveill…