C216 Misunderstood
Qu Ningyuan hesitated to act because he feared it might be a misunderstanding. Despite this caution, anger simmered within him. It made no sense for Yoshikawa to appear at that moment, yet he did, indicating he knew about the mechanism. This suggested Yoshikawa could have been the one to push him in, fueling Qu Ningyuan's rage.
Without solid proof from Yoshikawa
