used here: azur lane - monarch - serene robe
load in the standard g8f character.
in the top menu go to "3d garment" -> "attach all pins to avatar"
load in your character as a morph target.
apply the "robe_soft_red" material to all the left red parts of the robe and simualte.
remove pins that create pinching on the garment, and simulate again to let the garment settle in place.