Kyung-rok Ma

Kyung-rok Ma's outfits in reality consist of formal wear in dark colors, usually containing hues such as black or dark grey. He possesses a muscular build, as seen in Chapter 38 when Sang-cheol An bursts into his room. Kyung-rok has yellow eyes combined with hair resembling the color of ash blonde. In the otherworld, Kyung-rok Ma's appearance remains the same.

(Source: The Max-Level Player's 100th Regression Wiki)