Gwissadaegi

Cheon Tae-Pyeong, the president of Tae-Pyeong Private Detective Agency, has a strange ability that lets him see the inner side of a person when he touches their face. Cheon Tae-Pyeong, who was immersed in the fun of seeing people’s inner sides and making money by solving various requests using his abilities along with each of his special employees (Won Sang-Taek, a former gangster, Yoo Jeong-Ik, a special agent, and Koo Kang-Sik, a scammer), was living a happy life until his unhappy past caught up to him.

(Source: KakaoPage, translated)