Torioi-Kannon Temple is one component of Western Pure Land.
Since no one wants to suffer when they die, the ’Korori’ Kannon faith was born. People are fine(‘pin-pin’) just before they die, and when they die, they want to die lightly(‘korori’). In Japanese, this is called pin-pin korori.
You can listen to the fun story of the monk. However, although it is in Japanese.
There are famous sculptures you should not miss in this temple. One of them is a monkey hiding from a eagle. It is said to have been made by Hidari Jingoro, a famous sculptor of the Edo period. However, it seems that there are about 100 works in the whole country, and the authenticity is unknown.