SD Chan set during Custom dialogue (1 Viewer)

[WeeWillie]

I'm trying to set up a dialogue to be fired under the Custom Girl selection under the scene tab, but I want to have the girl remain untouched. However, when I run the dialogue in this manner without a Code.txt file, it defaults to SD Chan, erasing whatever character the player originally specified.

Is there a way to leave the girl model untouched when running a dialogue through the Custom menu using dialogue.txt?