https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiGovD2ueKVAxWVkyYFHdlBD7QQtwJ6BAgYEAI&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DyeUOnzb7Y4Y&usg=AOvVaw2cViXrQ_Z9R34s4xojGL58&opi=89978449
https://www.google.com/url?sa=i&source=web&rct=j&url=https://www.youtube.com/watch?v%3DQWxgh1PP4z0%26t%3D10&ved=2ahUKEwippf32ueKVAxWdkyYFHTE9KykQ__QQegoIAggACAAICBAF&opi=89978449&cd&psig=AOvVaw3iClsKhJvje-I5KUNW3-aa&ust=1784678041695000
https://www.vtuberworkshop.com/live2d-rigging-course-for-beginners
https://www.youtube.com/playlist?list=PLVr9R5AakwuT4wgxFr5mcv0As_OzR_WCB
i hope these help! these are all free videos and one is a 1 free term!