Actually I found a solution to my own problem, but I can't understand @$@£$ about this explanation, anyone knowledgeable enough about AGTH to know what this means:
[VividColor] Hanakage ~Ochita Mitsuka~: Add the /HB4:-18@404290 /kf paramters and select the 404592:00000002 UserHookB thread, which will extract the dialogue without missing characters. Names can be viewed by looking through the other UserHookB threads if needed. The /w404592:00000002 parameter may be added to automatically select the dialogue thread.
(this is from here: BL Game AGTH Compatibility List *Updated 12/18/09* | Boys' Love Games Headquarters )
What are the kf parameters? I feel stupid for asking, but don't know what to do. T_T Can Anyone help?