>>28555284Phonepostin about to go to bed, but I'll try to make a comprehensive guide on how to make a chuuba model in blender tomorrow.
You'll also want to download Unity and check UniVRM, since you mention low poly then the ArcSys method probably won't work/will look wonky as shit, a simple unshaded textured model will work most nicely, so a VRM model should suffice!
Also download VseeFace, it's free and in case you want more room creativity then this program allows it.
Also make sure to watch some basic tutorial series, not to make anything in particular, just know where the fuck you are and what you want to use/how to even use it. The letania vanilla model will most likely be ready in a few days so you'll probably see me struggle with the VRMfication myself and learn some from it.
がんばれ!