The limbs of the characters are not positioned correctly or the body parts don't move properly.
This is a problem that I was not aware of recently since I can't reproduce this. The solution to this is to reset the character's 'FK & IK' Pose
Whenever I start making a scene, I first use Studio Animations to make a initial pose of my characters. And I frequently use KPlug animations, which you can find in Animations> AL F/M, sonyu/houshi. That mod use to be problematic because whenever it updates, you have to re-assign that animation. But that should be fixed according to the author. The new update though which I don't freaking understand seems to caused problems on scenes that uses that animation mod. continue reading