Sun Effects Japan has been part of the design and production of YohaS, a family oriented festival celebrating the start of the rainy season since 2021. Held every year in Chiba park the festival has been growing in popularity every year.

Sun Effects has been responsible for the lighting and video design and execution, as well as some special effects elements like pyro and water effects for the festival. The design is guided by the ambition to create a unique visual look for YohaS that resonates with the venue.