Least seniority in regards to makeup? Well, that makes absolutely no sense. He's one of the leads in the musical. He would have the highest in seniority. Does he mean priority? I'm going to guess that's a translation issue.
Addicted to BL but I also adore wholesome funny dungeon manhwa like:
Dungeon Reset and Solo Farming in the Tower!
Dungeon Reset and Solo Farming in the Tower!