Ngl I don't even remember YoungSeo actually seeing Jeong-Nyeon singing, so I assumed the paper auntie was reading when she first appears in this chapter was the news which ratted her out
Hey, I have a link to a Korean page that has the full chapters of the manwha, if you are interested I can send them to you, so you can continue with this project. Sorry for my English, it is not my first language.