Apparently, there was a Yuru Camp and Love Live collaboration at the Hourai Bridge in May this year (already finished by the 30th of October)
(Link)It may have the same name as I, but I guess there's not much of a connection further than that...
The 30th of December is
the day the Hourai Bridge was recognized
as a Guiness World Record!
The Hourai Bridge at the Ooi river, located in Shimada, in the Shizuoka Prefecture, was considered as the longest wooden footbridge in the world by Guiness in 1997!
The Ooi river is a place that's closely related to white wolf tengus!
According to the Shoukoku Rijin Dan, konoha tengu (also known as white wolf tengu) were spotted by the Ooi river