It's fascinating to see that watching someone meticulously clean and organize even the most unkempt places can attract so many viewers. Fly to the Sky member Brian Joo was amazed by the incredible popularity of his cleaning-focused show. Known for his obsession with cleanliness, Brian isn't the only K-star who takes tidying up seriously. Here are five other Korean celebrities who are equally passionate about keeping their spaces spotless.

1. NCT Taeyong: Taeyong has earned the nickname 'junior clean king.' His dedication to cleanliness was evident in his recent appearance on Brian's cleaning show, where he shared his own tidying habits and philosophies.

2. Super Junior Heechul: Known for his vibrant personality on various variety shows, Heechul is surprisingly different in his personal life. He's recognized as one of the tidiest celebrities, with a strong commitment to maintaining a clean and orderly space.

3. EXO Xiumin: Be ready for some unexpected cleaning advice if you ever video call with Xiumin! He's known to comment on fans' room tidiness during calls, showing his deep care for maintaining cleanliness.

4. TWICE Jungyeon: Jungyeon is serious about cleanliness, especially in shared living spaces. She even mentioned on "Knowing Bros" her urge to tidy up after her group members, highlighting her dedication to keeping communal areas neat.

5. Seventeen Mingyu: Despite his energetic and sometimes clumsy persona, Mingyu is quite the opposite when it comes to cleaning. He puts in extra effort to ensure everything is in its place, as seen during his move into a new apartment.

Despite their hectic schedules, these five K-stars make it a priority to maintain cleanliness in their lives, proving that order and organization are important no matter how busy one is.