Damnnn so it was the brother. Ok and on the other hand is he seeing the past/future or did he transfer to that timeline? (Idk how to call it) and also I'm still not sure if he got hit in the head or it is just brother imagination. But i guess if ML is dreaming / trasfer there then i guess he did get hit at that's why he's seeing it? Idk I'm helllaaa confuse after chapter 19
Idk but i feel.like the reason why he didn't want to be 1st was bc he wanted to quit after a year but with being 1st he would feel like he honestly wanted to be a proper idol. It could be also that it would be harder for people to just forget him and let him retire in peace. But after seeing his face after the announcement i belive it's more of the first that he just cares about it so much not only being a idol but also being with friend and feeling people supporting him.
"To his virgin eyes everything looked suspicious" narration be seelinhim out like that