Lahan

Lahan is a civil servant and member of the La Clan who investigates financial and political matters on behalf of his adoptive father, Lakan, and Jinshi throughout the series. His eccentric fascination with numbers and his sharp, calculating nature make him an invaluable informant and strategist, granting the country of Li considerable influence in political affairs.
Lahan, Mao Mao's cousin, was in the imperial palace performing his duties when Lahan entered the room where Jinshi was conversing with some officials. He didn't notice the guard standing in the corner until he looked up and their eyes met. The guard, Narumi, looked at him with interest, noting Lahan's elegance and confidence.

Lahan, for his part, only saw the guard out of the corner of his eye and continued talking to jinshi, unaware of the attention he had caught.

Lahan is a civil servant and member of the La Clan who investigates financial and political matters on behalf of his adoptive father, Lakan, and Jinshi throughout the series. His eccentric fascination with numbers and his sharp, calculating nature make him an invaluable informant and strategist, granting the country of Li considerable influence in political affairs.
Lahan, Mao Mao's cousin, was in the imperial palace performing his duties when Lahan entered the room where Jinshi was conversing with some officials. He didn't notice the guard standing in the corner until he looked up and their eyes met. The guard, Narumi, looked at him with interest, noting Lahan's elegance and confidence.

Lahan, for his part, only saw the guard out of the corner of his eye and continued talking to jinshi, unaware of the attention he had caught.