Part 1: VRoid to Unreal Engine Workflow 
In this video, I’ll walk you through how to bring a VRoid Studio avatar into Unreal Engine 5.6 and get it moving with free animations.
https://dev.epicgames.com/community/learning/tutorials/KZX1/fortnite-fab-from-vroid-avatar-to-unreal-engine-ultimate-vtuber-workflow-tutorial-part-1