The only festival in Shikoku that has 2 fireballs.
Susaki festival

This festival is held every year during three days on the first Friday, Saturday and Sunday of August. The popular event is the firework fired on Fujiga beach in Susaki bay. The firework is fired from the sea, among others there is star mine, the 2 unique fireballs in Shikoku that color the sky of 7 colors.

住所高知県須崎市南古市町 Neighborhood