User blog comment:Moussman360/Volume 2 production diary 4/@comment-18396318-20140614161638/@comment-4010415-20140619004338

I don't think fanfictions had anything to do with Yang's personality in volume 2. Barbara has already said that they told her Yang is a lot like her, and she has also said that they have unsuccessfully attempted to adlib in bad puns in volume 1.