In the past, the popular event "water run" where 20,000 people gather. Under the hot summer sky, it is a popular event perfect for the summer, which can get soaked and getting soiled. It seems to be further upgrading this year. Every serious battle to throw 100,000 water balloons was unfolded, water was gathered by water guns, CoolGuy got a large amount of water with a bucket, irrespective of unknown people's excitement. As this year's new content, contents such as "Snow Magical Fantasy" where snow falls on Hakkeijima is also prepared.
