This is an option part for the "Artificial-muscle general-purpose frame "Yasha". （https://store.vket.com/ja/items/7134） You will be able to fly by collider jump. It is necessary to install the product before using it. The following is a copy of the included readme. 1. About settings in Unity Please install the liltoon shader (https://booth.pm/ja/items/3087170) and "Artificial muscle general-purpose skeleton 'Yasha'" in advance and upload from VCC to VRC. There are two prefabricated data in the "Yasha Booster" folder: "Yasha Standard Armor+Booster" and "Yasha Gun saber+Booster". Please upload it on the Scene and use it. 2. how to use To activate the booster, press the power button on your left arm with your right hand "Finger Point" to open the contact menu. When you press "Booster ON", the booster will start and you will be able to fly by collider jump. The angle of the collider changes according to the tilt of the head, so you can ascend and descend simply by moving while tilting your head. You can also make a steep descent by setting your left hand to "Thumbs Up". To stop the booster, press "Booster OFF" in the contact menu with your right hand "Finger Point".