a secret pastime of a Grade 7 civil servant

(1)Unbuttoned while working at the office, and it turned out that he was a 7th-grade civil servant
(2)※ Chosun Studies Reporter Input 20231123 1902
(3)Exposed 7th grade civil servants were caught again
(4)It has been reported that a female civil servant working at the central government was disciplined for unbuckling her shirt and broadcasting it exposed while on duty