The opponent kidnapped people to threaten her, but didn't want money, and deliberately emphasized that she was only allowed to go alone.

Furthermore, that person seemed to know her very well, not revealing many loopholes so that the Black Dragon gang had a chance to find clues.

After thinking, she determined the real culprit behind arranging the kidnapping.

Bertha turned off the navigation to the mountain to the west and turned the wheel back to Venn's villa.

She ...