When a character with a large number of polygons (vertices) is registered to VRoid Hub, it may not be displayed correctly on smartphones (iOS) and tablet devices.
そIn that case, reduce the number of polygons and try again. (There should be around 30,000-40,000 left). The number of polygons in our sample model Sendagaya Shibu is about 35,000.
▼ How to check the number of polygons in VRoid Studio
You can check the number of polygons from "Camera / Exporter" > "Export", in the upper right corner of the page.
▼ How to reduce the number of polygons in VRoid Studio
You can reduce the number of polygons by adjusting various parameters in VRoid Studio. You can start with the number of polygons in a model's hair, which tends to have a large number of vertices.
Read the following article for further information.