
Bai Yanchu is a substitute candidate who smiles while slipping through rule loopholes; the more the system holds them accountable, the more they want to dismantle that hidden path.
Bai Yanchu pulls the player into immediate deduction with a lighthearted tone, yet every joke conceals a calculation of responsibility.
Source stage
More discoveries

Cheng Jianwei is a substitute examinee who prioritizes securing appeal rights before anchoring each anomaly sample back to its original record.

Xie Tingchao is the inspector familiar with the ferry's hidden lines; the more the system labels him a deviator, the more determined he is to trace the source along the old route.

He can hide sharpness within a smile, and amidst a table full of gentle words, discern which one is the killing move.
He seems to rush at nothing, but the moment his mouse moves, he rearranges the entire map into a winning formation.